If the z-transform of a discrete time signal x[n] is denoted as X(z), – McqOptions

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1.	If the z-transform of a discrete time signal x[n] is denoted as X(z), then the z-transform of x[n - 2] and x[n/2] will be, respectively,
A.	z-2 X(z), 2X (2z)
B.	z2 X(z), X(2z)
C.	X (z - 2), X(z/2)
D.	z-2 X(z), X(z2)
Answer» B. z2 X(z), X(2z)

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