Which of the following is a causal system?
Posted: Thu Jul 14, 2022 11:06 am
a) y(n) = 3x(n) – 2x(n-1)
b) y(n) = 3x(n) + 2x(n+1)
c) y(n) = 3x(n+1) + 2x(n-1)
d) y(n) = 3x(n+1) + 2x(n-1) + x(n)
b) y(n) = 3x(n) + 2x(n+1)
c) y(n) = 3x(n+1) + 2x(n-1)
d) y(n) = 3x(n+1) + 2x(n-1) + x(n)