Which one of the following systems is causal?
Posted: Thu Jul 14, 2022 11:03 am
a) y(t)=x(t)+x(t-3)+x(t2)
b) y(n)=x(n+2)
c) y(t)=x(t-1)+x(t-2)
d) y(n)=x(2n2)
b) y(n)=x(n+2)
c) y(t)=x(t-1)+x(t-2)
d) y(n)=x(2n2)
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