If X(z) is the z-transform of the signal x(n), then what is the z-transform of the signal x(-n)?
A. X(-z)
B. X(z-1)
C. X-1(z)
D. None of the mentioned
Answer:A
If X(z) is the z-transform of the signal x(n), then what is the z-transform of the signal x(-n)?
A. X(-z) B. X(z-1) C. X-1(z) D. None of the mentioned
Explanation: From the definition of z-transform, we have