Q312
Which one of the following systems is a causal system?
A.
y(t) = sin(t + 3)
B.
y(t) = u(t) + u(t - 1)
AnswerC.
y(t) = u(t) + u(t + 1)
D.
y(t) = sin(t - 3) + sin(t + 3)
Answer: Option B
Solution
Answer: Option B
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