A discrete-time signal x[n] = δ [n - 3] + 2δ [n - 5] has a z-trans – McqOptions

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1.	A discrete-time signal x[n] = δ [n - 3] + 2δ [n - 5] has a z-transform X(z). If Y(z) = X(-z) is the z-transform of another signal y[n], then
A.	y[n] = x[n]
B.	y[n] = x[-n]
C.	y[n] = - x[n]
D.	y[n] = - x[-n]
Answer» D. y[n] = - x[-n]

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