If xk = 2k for k ≤ 0 and xk = 0 for k ≥ 0, Z transform of the sequence x is

If xk = 2k for k ≤ 0 and xk = 0 for k ≥ 0, Z transform of the sequ

1.	If xk = 2k for k ≤ 0 and xk = 0 for k ≥ 0, Z transform of the sequence x is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» E.