300 câu bài tập đơn điệu (1)

Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t 300 p : / CU /www t aTP i l i eTRC upro.co BI h t t p NGHIM : / / w w w N t a i l iIU eupro.co http://www.tailieupro.co h t t p : / / wBiờn ww t a i l i e u p r o c o son v su tm http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c NGUYN BO VNG Sdt: 0946 798 489 B Ngoong Ch sờ Gia Lai Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) 300 cõu Trc nghim n iu ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c Thy: Phan Ngc Chin Cõu 1: Khong ng bin ca hm s y x x2 l: A ; v 0; B ;0 v 0; C ; v 2; D 2;0 v 2; Cõu 2: Khong ng bin ca hm s y x3 3x2 l: A 1;3 B 0; C 2;0 D 0;1 Cõu 3: Trong cỏc khng nh sau v hm s y x x , khng nh no l ỳng? A Hm s t cc tiu ti x = 0; B Hm s t cc tiu ti x = 1; C Hm s t cc tiu ti x = -1; D.Hm s t cu tiu ti x=2 Cõu 4: Hm s: y x 3x nghch bin x thuc khong no sau õy: A ( 2;0) B ( 3;0) C ( ; 2) D (0; ) Cõu 5: Trong cỏc hm s sau, nhng hm s no luụn ng bin trờn tng khong xỏc nh ca nú: A ( I ) v ( II ) B Ch ( I ) C ( II ) v ( III ) D ( I ) v ( III ) Cõu 6: Hm s no sau õy ng bin trờn R A y 2x x B y x4 x2 C y x3 3x2 3x D y sin x x Cõu 7: Kt lun no sau õy v tớnh n iu ca hm s y x l ỳng? x A Hm s luụn nghch bin trờn R \ ; B Hm s luụn ng bin trờn R \ ; C Hm s nghch bin trờn cỏc khong (; 1) v (1; +); D Hm s ng bin trờn cỏc khong (; 1) v (1; +) Cõu 8: Hm s no sau õy luụn ng bin trờn tng khong xỏc nh ca chỳng A y x B y x2 x C y x2 x x D y x x Cõu 9: Cho hm s y = x3 + 3x2 3x + 1, mnh no sau õy l ỳng? A Hm s luụn nghch bin; B Hm s luụn ng bin; C Hm s t cc i ti x = 1; D Hm s t cc tiu ti x = Cõu 10: Trong cỏc khng nh sau v hm s y x , hóy tỡm khng nh ỳng? x A Hm s cú mt im cc tr; TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co x h ty 't p : / / w w w t a i l i e u p r o c o h ty t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c B Hm s cú mt im cc i v mt im cc tiu; C Hm s ng bin trờn tng khong xỏc nh; D Hm s nghch bin trờn tng khong xỏc nh Cõu 11:Hmsnosauõycúbngbinthiờnnhhỡnhbờn: A C 2 Cõu 12: Tỡm m hm s y A m 2x 2x B y x x x 2x y D y x x y xm ng bin trờn tng khong xỏc nh ca chỳng x B m C m D m Cõu 13: Tỡm m hm s y x3 3m2 x ng bin trờn R A m B m C m D m Cõu 14: Tỡm m hm s y sin x mx nghch bin trờn R A m B m C m D m Cõu 15:Hms y x (m 1) x (m 1) x ngbintrờntpxỏcnhcanú khi: A m B m C m D m Cõu 16: Tỡm m hm s y x x 3mx nghchbin trờn khong 0; A m Cõu 17: Hm s y A m Cõu 18: Hm s y A m B m C m D m mx nghch bin trờn tng khong xỏc nh giỏ tr ca m bng xm B m C m R D m x2 ng bin trờn khong (2; ) xm B m C m D m Cõu 19: Tỡm m hm s y x3 3m2 x nghch bin trờn khong cú di bng A m B m TON HC BC TRUNG NAM C m D m http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) 300 cõu Trc nghim n iu t a i l i e u p r o c o h t t p : / / w w w ttp://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c Cõu 20: Cho hm s y x3 33m x 2m2 m x Tỡm m hm s nghch bin trờn on cú di bng A m hoc m B m hoc m C m hoc m D m hoc m Thy Nguyn Vit Dng Cõu 21 Hm s y x ng bin trờn: B 0; A D ; C 3; Cõu 22 Hm s y x 3x nghch bin trờn: A ; ; 1; C 1;1 B 1; D Cõu 23: th ca hm s no luụn nghch bin trờn : A y x 2x B y 3x 4x C y 2x D y 3x 2x Cõu 24 Hm s y x 2x nghch bin trờn: A ; ; 0;1 B 1; ; 1; C 1;1 D C 1;1 D Cõu 25 Hm s y x x ng bin trờn: A 0; B ; Cõu 26 Hm s no sau õy l ng bin trờn ? A y x 3x C y B y x x Cõu 27 Hm s y x x2 D y x x2 x ng bin trờn: x A (; 0) v (1;2) B (0;1) v (2; ) C (0;1) v (1;2) D (; 0) v (2; ) Cõu 28 Hm s y 2x : x A Hm s luụn nghch bin trờn B Hm s luụn ng bin trờn TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 h t t p : / / w w w t a i ep u rpor oc oc m o t t p : / / w w w t a i l i lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c C Hm s nghch bin trờn cỏc khong ; v 1; D Hm s ng bin trờn cỏc khong ; v 1; Cõu 29 Hm s y x 3x 3x : A Hm s luụn nghch bin trờn B Hm s luụn ng bin trờn C Hm s ng bin trờn khong 1; D Hm s nghch bin trờn khong ;1 Cõu 30 Hm s y 2x x ng bin trờn: A 1;2 B 0;2 C 0;1 D Cõu 31 Hm s y x cos x A ng bin trờn B ng bin trờn ; C Nghch bin trờn D Nghch bin trờn 0; Cõu 32 Hm s y sin x x A ng bin trờn B ng bin trờn ; C Nghch bin trờn D Nghch bin trờn 0; Cõu 33 Hm s y x m x m x luụn ng bin trờn khi: m D m A m B m Cõu 34 Hm s y x mx 2x luụn ng bin trờn xỏc nh khi: A m 2 B m Cõu 35 Hm s y mx nghch bin trờn tng khong xỏc nh khi: x m m A m B m TON HC BC TRUNG NAM C m C m 2 C m D khụng cú giỏ tr m m D m http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) 300 cõu Trc nghim n iu ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c Cõu 36 Giỏ tr nh nht ca m hm s y A m 1 x mx mx m ng bin trờn l: B m C m D m Cõu 37 Hm s y x 3x mx m nghch bin trờn mt khong cú di bng khi: A m B m Cõu 38 Hm s y A m C m D m (m 1)x mx (3m 2)x luụn ng bin trờn xỏc nh khi: B m C m D m Cõu 39 Hm s y mx 7m luụn ng bin trờn tng khong xỏc nh khi: x m A m B m C m D m Cõu 40 Hm s y x 6x mx ng bin trờn khong 0; khi: A m B m C m D m Thy Nguyn Vit Thụng Cõu 41 Khong nghch bin ca hm s y x x 3x l: A ; C ; 1; Cõu 42 Hm s y B 3; D ;3 x3 : 2x A ng bin trờn khong ; B Nghch bin trờn khong ; C ng bin trờn tng khong xỏc nh D Nghch bin trờn tng khong xỏc nh Cõu 43 Hm s y x x tng trờn khong no? A 1; B ;1 C ; D Mt kt qu khỏc Cõu 44 Hm s no sau õy luụn ng bin trờn R A y x x Cõu 45 Hm s y B y x x C y x x D y x 3x x x mx gim trờn tng khong xỏc nh khi: x TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c A m B m C m D m Cõu 46 Trong cỏc hm s sau, nhng hm s no luụn ng bin trờn tng khong xỏc nh ca nú: 2x y (I), y x x (II), y x3 x (III) x3 A.(I) v (II) B Ch (I) C.(II) v (III) D.(I) v (III) Cõu 47 Hm s no cỏc hm s sau õy nghch bin trờn khong 1;3 A y x 4x2 6x B y x2 x x C y x x D y 2x x Cõu 48 Khong nghch bin ca hm s y x x 1 A ; 1 B ; Cõu 49 Hm s y A k C 0; D 0; kx gim trờn tng khong xỏc nh x B k Cõu 50 Cho hm s y C k D k x2 x Khng nh no sau õy sai? x A Hm s nghch bin trờn khong 0;2 B Hm s nghch bin trờn khong 1;2 C Hm s nghch bin trờn khong 0;1 D Hm s ng bin trờn khong ;0 v 2; Cõu 51 Cho hm s y 3x x x 11 di khong ng bin l: A.2 B C D Cõu 52 Hm s y 3x mx x ng bin trờn R v ch khi: A m R B m TON HC BC TRUNG NAM C m D m http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) 300 cõu Trc nghim n iu ep u rpor oc oc m o thttpt :p /://w/ w w w w w t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c t ph :t /t /pw: /w/ w w t w a i. lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c Cõu 53 Hm s y x 3x ng bin trờn khong no cỏc khong sau: (I) 1;0 ; (II) 1;1 ; (III) 2; A (I) v (II) B (I) v (III) Cõu 54 Vi giỏ tr no ca m thỡ hm s y A m B m C ch (I) D (II) v (III) mx x m ng bin trờn tng khong xỏc nh ca nú x D m hoc m C m Cõu 55 Hm s y x m x ng bin trờn khong 1; khi: A m B m C m D m x m x 4m 4m Cõu 56 Hm s y ng bin trờn tng khong xỏc nh ca nú khi: x m A m B m C m D m Cõu 57 Cho hm s y x 3x x Kt lun no sau õy sai A o hm cp hai l y x B Hm s cú hai cc tr C Tng cỏc honh hai im cc tr bng D Hm s ng bin trờn khong 2;1 Cõu 58 Vi giỏ tr no ca m thỡ hm s y x2 2mx m2 ng bin trờn khong 2; A m B m C m D m Cõu 59 Cho hm s y x3 m x 2m 3m x Kt lun no sau õy ỳng A Hm s luụn ng bin trờn R B Hm s luụn ng bin trờn R C Hm s khụng n iu trờn R D Hm s cú hai cc tr v khong cỏch gia hai im cc tr bng vi mi m Cõu 60 Vi giỏ tr no ca m thỡ hm s y TON HC BC TRUNG NAM x m x x cú di khong ng bin l http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c A m 2; B m 2;4 C m 1;3 D m 3;1 Thy Trn i Ngha Cõu 61 Hm s y x x x A Luụn ng bin trờn R B Luụn nghch bin trờn R D Nghch bin trờn khong 1;3 C Cú khong ng bin v nghch bin Cõu 62 Hm s y x x x A Luụn ng bin trờn R B Luụn nghch bin trờn R D ng bin trờn khong 1;3 C Cú khong ng bin v nghch bin Cõu 63 Hm s y x x x cú khong ng bin l B ;1 A 1;3 Cõu 64 Hm s y C 1;3 D ( ; ) (1; ) x luụn x A ng bin trờn R B Nghch bin trờn R C Nghch bin trờn tng khong xỏc nh ca nú D ng bin trờn khong (4;6) Cõu 65 Hm s y 25 x A ng bin trờn khong (5;0) v (0;5) B ng bin trờn khong (5;0) v nghch bin trờn khong (0;5) C Nghch bin trờn khong (5;0) v ng bin trờn khong (0;5) D Nghch bin trờn khong (6;6) Cõu 66 Hm s y x2 x x2 x A ng bin trờn khong (5;0) v (0;5) B ng bin trờn khong (1;0) v (1; ) C Nghch bin trờn khong (5;1) D Nghch bin trờn khong (6;0) Cõu 67 Hm s y x x nghch bin trờn khong A 2;3 Cõu 68 Cho hm s y C 2;4 B ( 2;3) D 3;4 x2 Khi ú: (TH) x A y (2) B Hm s luụn ng bin trờn R TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) 300 cõu Trc nghim n iu ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieu p r o c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iae i ul iperuop cr oo mc h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c C Hm s luụn nghch bin trờn R D Hm s luụn nghch bin trờn tng khong xỏc nh ca nú Cõu 69 Trong mi hm s sau hm s no nghch bin trờn tng khong xỏc nh ca nú? A y x2 x B y cot x C y x x5 D y tan x Cõu 70 Hm s y x x cú khong ng bin l: A ( ; ) B ( ; ) D ( ;0) C (0; ) Cõu 71 Tỡm tham s m thỡ hm s y x mx (2m 1) x m ng bin trờn R? A m B m C m Cõu 72 Vi giỏ tr no ca tham s m thỡ hm s y A m Cõu 73 Hm s y A m Cõu 74 Hm s y A m B m D m mx nghch bin trờn tng khong xỏc nh ca nú? 3x m C m D m 3 x (m 1) x (m 1) x ng bin trờn xỏc nh ca nú B m C m D m x mx m tng trờn tng khong xỏc nh ca nú x B m C m D m Cõu 75 Tỡm tham s m hm s f x mx +2mx +mx m l hm ng bin trờn xỏc nh ca nú A m B m C m Cõu 76 Tỡm tham s m hm s f x A m 12 B m A m C m mx gim trờn khong xm TON HC BC TRUNG NAM 0;3 D m 12 2; C m B m Cõu 79 Tỡm tham s m hm s y 12 mx tng trờn khong xm B m Cõu 78 Tỡm tham s m hm s f x A m x3 (m 1) x + (m 3) x tng trờn khong 12 Cõu 77 Tỡm tham s m hm s f x D m D m ;1 C m D m x3 ( m 2) x m ( m 3) x nghch bin trờn khong 1; 3 http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o m http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co h t t p : / / w w w . t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) B m 2 A m2 C m 2 m 2 D Mt kt qu khỏc Cõu 208 Hm s y x m x m x ng bin trờn xỏc nh ca nú khi: A m C m B m Cõu 209 Giỏ tr ca m hm s y mx xm A m B m D m nghch bin trờn ( ;1) l: C m D m Cõu 210: Hm s: y x 3x nghch bin trờn khong: A ( 2;0) B ( 3;0) Cõu 211: Khong nghch bin ca hm s y A ; ; 0; Cõu 212: Hm s y C ( ; 2) D (0; ) x 3x l: B 0; ; ; C D ;0 ; 3; 3; x2 nghch bin trờn cỏc khong: x A ;1 ; 1; B 1; D \ C 1; Cõu 213: Khong ng bin ca hm s y x x l: Chn cõu ỳng A ;1 B (0 ; 1) C (1 ; ) Cõu 214: Kt lun no sau õy v tớnh n iu ca hm s y D 1; 2x l ỳng? x A Hm s luụn ng bin trờn R B Hm s luụn nghch bin trờn R \ {1} C Hm s ng bin trờn cỏc khong ; ; 1; D Hm s nghch bin trờn cỏc khong ; ; 1; TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 27 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 Cõu 215: Trong cỏc hm s sau , hm s no sau õy ng bin trờn khong (1 ; 3)? A y x3 x B y x 4x x2 C y x x D y x x Cõu 216: Cho hm s f ( x) x 3x Trong cỏc mnh sau, mnh no sai? A f(x) nghch bin trờn khong ( -1 ; 1) B f(x) nghch bin trờn khong 1; C f(x) ng bin trờn khong ( -1 ; 1) C f(x) nghch bin trờn khong ; Cõu 217: Trong cỏc hm s sau, nhng hm s no luụn ng bin trờn tng khong xỏc nh ca nú: y 2x ( I ) , y x x 2( II ) , y x 3x ( III ) x A ( I ) v ( II ) Cõu 218: Hm s y B Ch ( I ) C ( II ) v ( III ) x2 x ng bin trờn khong x A ;1 ; 1; B 0; C 1; D 1; Cõu 219 Tỡm giỏ tr m hm s y m A m m B m Cõu 220: Tỡm giỏ tr m hm s y m A m D ( I ) v ( III) m B m mx ng bin trờn tng khong xỏc nh xm C m x mx mx m ng bin trờn R C m Cõu 221: Tỡm giỏ tr m hm s y TON HC BC TRUNG NAM D m D m x3 mx mx nghch bin trờn R http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 28 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o m http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) m A m m B m C m D m Cõu 222 Tỡm m hm s y x3 3mx luụn nghch bin trờn R: a) m b) m c) m d) m Cõu 223: Hm s y x x nghch bin trờn: b) ;0 a) R d) R \ c) 0; Cõu 224 Hm s no sau õy ng bin trờn tng khong xỏc nh ca nú? A y x2 x2 B y x x2 C y Cõu 225 Tỡm khong nghch bin ca hm s f ( x ) A ;2 B 2; Cõu 226 Chn ỏp ỏn ỳng Cho hm s y x x D y x x2 2x x2 C R D ;2 v 2; 2x , ú hm s: 2x A Nghch bin trờn 2; B ng bin trờn R C ng bin trờn 2; D Nghch bin trờn R Cõu 227 Cho hàm số y x 3x Chọn khẳng định A Hàm số đồng biến R B Hàm số đồng biến (0; + ) C Hàm số nghịch biến khoảng (-1;1) D Hàm số đồng biến khoảng (- ;-1) (1;+ ) Cõu 228 Hm s y x 3x nghch bin trờn: A ( ; 0) v (2; ) TON HC BC TRUNG NAM B 0; C 2; D R http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 29 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www t a i l i e u p r o c o m http://www.tailieupro.com t a i l i e u p r o c o m h t t p : / / w ww http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o m http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 Cõu 229 Hm s y x3 3x 3x ng bin trờn: B 0; A ( ; 0) v (2; ) C (1; ) D R Cõu 230 Hm s y x x ng bin trờn cỏc khong no? A 1;0 v 1; B 1;0 C 1; D x R Cõu 231 Hi hm s y x ng bin trờn khong no? A ; C ; B 0; D ;0 Cõu 232 Khng nh no sau õy l ỳng v tớnh n iu ca hm s: y x x A Hm s ng bin trờn khong ( ; 0) v (2; ) (0; ) C Hm s ng bin trờn khong (0;2) B Hm s nghch bin trờn khong D Hm s ng bin trờn R Cõu 233 Hm s no sau õy ng bin trờn R ? A y x3 B y x4 x2 C y x 3x D y x x2 Cõu 234 Cho hm s f ( x) x3 x Mnh no sau õy sai ? A Hm s f ( x) ng bin trờn khong (- ;0) B Hm s f ( x) ng bin trờn khong (2 ;+) C Hm s f ( x) nghch bin trờn khong (0;2) D Hm s f ( x) nghch bin trờn khong (0 ;+) Cõu 235 Hm s no sau õy nghch bin trờn ton trc s ? A y x x x B y x3 3x C y x 3x D y x3 Cõu 236: Trong cỏc khng nh sau v hm s y x , hóy tỡm khng nh ỳng? x TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 30 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co t a i l i e u p r o c o h t t p : / / w w w h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) A Hm s cú mt im cc tr; B Hm s cú mt im cc i v mt im cc tiu; C Hm s ng bin trờn tng khong xỏc nh; D Hm s nghch bin trờn tng khong xỏc nh Cõu 237 Hm s y 2x Chn phỏt biu ỳng: x A Luụn ng bin trờn R B ng bin trờn tng khong xỏc nh C Luụn nghch bin trờn tng khong xỏc nh D Luụn gim trờn R Cõu 238 Tỡm m hm s y x 3mx 3(2m 1) x ng bin trờn R A m1 B m1 C Khụng cú giỏ tr m D m Cõu 239 Cho hm s y f (x ) cú bng bin thiờn nh hỡnh di õy S mnh ỳng cỏc mnh sau I Hm s ng bin trờn cỏc khong ; v 0; II Hm s ng bin trờn cỏc khong 1;1 III Hm s ng bin trờn cỏc khong ; v 1; IV Hm s ng bin trờn R A B C D Cõu 240 Cho hm s y f (x ) cú bng bin thiờn nh hỡnh di õy S mnh sai cỏc mnh sau õy ? I Hm s ng bin trờn cỏc khong ; v 3; II Hm s ng bin trờn khong ; TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 31 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / h t t p : / / w w w t a i l i e u p r o c o m h t t p : / / w w w t a i l i e u p r o c o m http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o m http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 III Hm s nghch bin trờn cỏc khong 2; IV Hm s ng bin trờn khong ; A B C D Cõu 241 Cho hm s y f (x ) cú bng bin thiờn nh hỡnh di õy Mnh ỳng cỏc mnh sau l ? A Hm s ng bin trờn cỏc khong ; v 3; B Hm s ng bin trờn khong ; C Hm s nghch bin trờn cỏc khong 3; D Hm s ng bin trờn khong ; Cõu 242 Cho hm s y f (x ) cú th nh hỡnh bờn S mnh ỳng cỏc mnh sau õy ? I Hm s nghch bin trờn khong ; II Hm s ng bin trờn khong ; III Hm s ng bin trờn R IV Hm s nghch bin trờn tng khong xỏc nh TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 32 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://ww w.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) A B C D Cõu 243 Cho hm s y f (x ) cú th nh hỡnh bờn S mnh sai cỏc mnh sau õy ? I Hm s nghch bin trờn khong ; II Hm s ng bin trờn khong 3; III Hm s ng bin trờn ; v ; IV Hm s nghch bin trờn tng khong xỏc nh A B C D Cõu 244 Cho cỏc hm s y f (x ) cú th nh hỡnh bờn chn phỏt biu ỳng p sau õy ? (1) (2) TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 33 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co w w t a i l i e u p r o c o http://w h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o w w t a i l i e u p r o c o h t t p : / / w http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 (3) (4) A Hm s cú th (1),(2) nghch bin trờn tng khong xỏc nh B Hm s cú th (1),(3) ng bin trờn tng khong xỏc nh C Hm s cú th (2),(4) nghch bin trờn tng khong xỏc nh D Hm s cú th (4) ng bin trờn Cõu 245 : Cho hm s y f x cú o hm trờn a, b S mnh ỳng cỏc mnh sau õy ? I Hm s y f x gi l ng bin trờn a, b thỡ f ' x x a, b II Hm s y f x gi l nghch bin trờn a, b thỡ f ' x x a, b III f ' x x a, b v f ' x ch ti mt s hu hn im thỡ hm s ng bin trờn a, b A B C D Cõu 246 Hm s no sau õy nghch bin trờn tng khong xỏc nh ca nú? x2 x2 y x 3x 3x A y B y x x C y x x D Cõu 247 Trong cỏc hm s sau, nhng hm s no luụn ng bin trờn tng khong xỏc nh ca nú: 2x y (I), y x x 1(II), y 3x3 x (III) x3 A (I) v (II) B Ch (I) TON HC BC TRUNG NAM C (II) v (III) D.(I) v (III) http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 34 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com x 2mx m h t t p : / /y w ww.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o m http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o 2mx w m w t a i l i e u p r o c o h t t p : y/ x/ w http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) Cõu 248 Cho hm s y 3x3 3x x 11 di khong ng bin l: B A.2 Cõu 249 Cho hm s C D Kt lun no sau õy l ỳng? A Tn ti m hm s ng bin trờn R B Hm s luụn ng bin ớt nht trờn mt khong C Hm s luụn cú khong ng bin D Hm s luụn cú khong ng bin Cõu 250 : Trong cỏc hm s sau, hm s no ỳng vi tớnh cht: Vi mi a, b 0; m a > b thỡ ta cú f (a) > f (b)? A y x x B y x1 x2 C y x x D y x x3 Cõu 251 Hm s y x m x nghch bin trờn thỡ iu kin ca m l: A m1 m B C m2 D m2 Cõu 252 Khng nh no sau õy ỳng v tớnh n iu ca hm s y x x A Hs ng bin trờn khong (0;1) v nghch bin trờn khong (1; 2) B.Hs ng bin trờn khong (0;1) v nghch bin trờn khong (1; 2) C Hs ng bin trờn khong (0;1) v trờn khong (1; 2) D Hs nghch bin trờn khong (0;1) v nghch bin trờn khong (1; 2) Cõu 253 Cho hm s Giỏ tr thc ca tham s m hm s ng bin trờn khong 1; l? A m B m TON HC BC TRUNG NAM m C m D m http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 35 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 Cõu 254 Cho hm s y mx 2m Hóy chn ỏp ỏn ỳng kt lun v s nghch bin ca xm hm s trờn B m A m C m m Cõu 255 (MH)Tỡm tt c giỏ tr thc ca tham s m cho hm s y D m tan x ng bin trờn tan x m khong 0; A m hoc m B m C m D m Cõu 256 Giỏ tr m hm s y x 3x mx m gim trờn on cú di bng l: A m = C m B m = D m = Cõu 257 Hm s y x3 mx m ng bin trờn (1;2) thỡ m thuc no sau õy: A 3; C ; B ; 3 D ; Cõu 258 Hm s y x 3mx nghch bin trờn khong 1;1 thỡ m bng A B Cõu 259 Cho hm s y A m C D mx m , tỡm m hm s ng bin trờn tng khong xỏc nh x2 B m Cõu 260 Tỡm m ln nht hm s y C m m D m 1 x mx (4m 3) x 2016 ng bin trờn xỏc nh ca nú A m B TON HC BC TRUNG NAM m3 C m http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) D m2 36 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://w w t a i l i e u p r o c o w http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) Cõu 261 Tỡm tt c cỏc giỏ tr thc ca tham s m hm s y cot x ng bin trờn khong cot x m 0; A m hoc m Cõu 262 Tỡm tham s m hm s y A m hoc m C m B m B m D m ngch bin trờn khong 0; 5x m C m D m 5x Cõu 263: Hm s y x x ng bin trờn khong : A ; B 1; Cõu 264: Hm s y A ; C (-1 ;0) D ; C ; ; 2; D 2; 2x ng bin trờn khong: x2 B R Cõu 265: Hm s y x x ng bin trờn khong: A ; ; 0;2 B 0; C ; ; 0;2 D ; Cõu 266: Hm s y x 3x nghch bin trờn khong: B 0; A (0;2) C ;2 D ;0 ; 2; Cõu 267: Tỡm m hm sụ y x 3(2m 1) x (m 1) x ng bin trờn on cú di bng 2? A m=- 12 B m=1 C m= ; m=-1 12 D m=-1 Cõu 268: Tỡm m hm sụ y x x (3m 6) x ng bin trờn 0; A m B m TON HC BC TRUNG NAM C m R D m http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 37 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o m h t t p : / / w w w t a i l i e u p r o c o m http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o : / / w w w t a i l i e u p r o c o h t t p http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 Cõu 269: Hm s y x 3x A Ch ng bin trờn 2; B Ch ng bin trờn 0; C Ch ng bin trờn ; D Ch ng bin trờn ; ; 2; Cõu 270: Hm s y f (x ) cú th nh hỡnh bờn ch ng bin trờn tp: A ; ; 2; B ; C ; ; 2; D 2; Cõu 271: Hm s y x 3x ng bin trờn khong B ; A ; C ; D ; Cõu 272 Hm s y m x 5m ; vi m l tham s A Hm s ó cho l hm ng bin v ch m B Hm s ó cho l hm ng bin v ch m C Hm s ó cho l hm ng bin v ch m 1; m D Hm s ó cho l hm ng bin v ch m Cõu 273: Cho hm s y m x m vi m l tham s Tp hp cỏc giỏ tr ca m hm s ng bin trờn l: A 1;1 B 1; C ; 1; D ; TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 38 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co o m / h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop.;1 cr o co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) Cõu 274: Tp hp cỏc s thc m hm s y x 5x 4mx ng bin trờn l: 12 25 A ; B ; Cõu 275: Cho hm s y 25 12 25 ; 12 25 C ; D 2x cú th (C) Hóy chn mnh sai : x2 A Hm s luụn nghch bin trờn = \{2} B Hm s cú xỏc nh l: C th ct trc honh ti im A ; D Cú o hm y' (x 2)2 Cõu 276: Cho hm s y x x Khong ng bin ca hm s ny l: B.(; 0) A (0; 2) Cõu 277: Hm s = A (0; +) C (2; +) + nghch bin khong no sau õy: C (2; +) B (0; 2) Cõu 278: Vi giỏ tr no ca tham s m thỡ hm s y A m3 B m3 C m3 Cõu 279: Vi giỏ tr no ca tham s m thỡ hm s A m D.(0; +) B m 1;m D (; 0) x 3m nghch bin trờn ( ; ) xm D m = C m ng bin trờn khong D m 2; m Cõu 280: Hm s y x 3x x ng bin trờn: a ( 3;1) b ( 3; ) TON HC BC TRUNG NAM c ( ;1) d (1; 2) http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 39 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Ti Liu ụn Cha cú ỏp ỏn SDT: 0946.798.489 Cõu 281: Hm s no sau õy ng bin trờn R? a y x b y x x Cõu 282: Giỏ tr ca m hm s y a m mx xm c y x x x d y x x nghch bin trờn ( ;1) l: b m c m d m 1 Cõu 283: Vi giỏ tr no ca m thỡ hm s y x x mx nghch bin trờn xỏc nh ? a m b m Cõu 284: Hm s y a y x 2x x c m d m cú phng trỡnh tip tuyn ti im cú honh x = l b y x c y x d y x Cõu 285: Cho K l mt khong hoc na khong hoc mt on Mnh no khụng ỳng? a Nu hm s y f ( x ) ng bin trờn K thỡ f '( x ) 0, x K b Nu f '( x ) 0, x K thỡ hm s y f ( x ) ng bin trờn K c Nu hm s y f ( x ) l hm s hng trờn K thỡ f '( x ) 0, x K d Nu f '( x ) 0, x K thỡ hm s y f ( x ) khụng i trờn K Cõu 286: Giỏ tr m hm s y x3 x2 mx m gim trờn on cú di bng l: a m b m = c m Cõu 287: Hm s y = x4 - 2x2 + ng bin trờn cỏc khong no? A (-1; 0) Cõu 288: C (1; +) Cỏc khong nghch bin ca hm s y A (-; 1) Cõu 289: B (-1; 0) v (1; +) B (1; +) Hm s y = x3 + 3x2 d m D x R 2x l x C (-; +) D (-; 1) v (1; +) nghch bin trờn khong no? TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 40 ep u rpor oc oc m om h thttpt :p/://w/ w ww ww t.at ial ii lei u / http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.com http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc /o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 300 cõu Trc nghim n iu Giỏo Viờn: Nguyn Bo Vng (Biờn son v su tm) A (-; 2) B (0; +) C (-2; 0) D (0; 4) x3 Cõu 300: Hm s y x x ng bin trờn khong no? A R B (-; 1) C (1; +) D (-; 1) v (1; +) Chỳc cỏc bn hc tt TON HC BC TRUNG NAM http://toanhocbactrungnam.vn/ Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) 41 ... Chọn câu   3    B  ;  ;          C 3;  D  ;  3;  Câu 159: Khoảng đồng biến hàm số y  x  x là: Chọn câu A   ;1 B (0 ; 1) C (1 ; ) Câu 160 Kết luận sau tính đơn điệu. .. thú vị ;) 300 câu Trắc nghiệm Đơn điệu Giáo Viên: Nguyễn Bảo Vương (Biên soạn sưu tầm) Tổ tốn tin Chu Văn An Câu 176 Hàm số y   x3  3x  đồng biến khoảng: A ;1 B 0; C 2; D.R Câu 177 Các... thú vị ;) 300 câu Trắc nghiệm Đơn điệu Giáo Viên: Nguyễn Bảo Vương (Biên soạn sưu tầm) B m 2 A m2 C m  2  m  2 D Một kết khác Câu 208 Hàm số y  x  m  x  m  x  đồng biến tập xác định