The input and output of a continuous time system are respectively deno – McqOptions

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1.	The input and output of a continuous time system are respectively denoted by x(t) and y(t) Which of the following descriptions corresponds to a causal system?
A.	y(t) = x(t - 2) + x(t + 4)
B.	y(t) = x(t - 4) + x(t + 1)
C.	y(t) = x(t + 4) + x(t - 1)
D.	y(t) = x(t + 5) + x(t + 5)
Answer» D. y(t) = x(t + 5) + x(t + 5)

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