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

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

1.	If x^k = 2^k 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.