The scaling of a sequence x[n] by a factor α is given by
A. y[n] = α [x[n]]2
B. y[n] = α x[n2]
C. y[n] = α x[n]
D. y[n] = x[n]x[-n]
Answer:C
The scaling of a sequence x[n] by a factor α is given by
A. y[n] = α [x[n]]2 B. y[n] = α x[n2] C. y[n] = α x[n] D. y[n] = x[n]x[-n]