566 Appendix Appendix B.6 Property Lincarity R.Tables of Transforiiiatioiis Properties of the x-Transform J:[ k ] ' Delav ROC{ x } ; separate ul consideration z = a i d s -+ rx, Modulation ROC{ r } ; Multiplication by k Time invcrsion scpsrate consideratioii 2=0 x[-k] ROC= {Z of I;-l~ROC{~)} multiply tlie limits of the ROC