Question: if x(n) = 0.5u(-n) + 8(n), Find Z transform and ROC for the following 1) x(n) 2) x(-n) 3) x(n-4)

if x(n) = 0.5

if x(n) = 0.5"u(-n) + 8(n), Find Z transform and ROC for the following 1) x(n) 2) x(-n) 3) x(n-4)

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