Q:

If h1, h2 and h3 are cascaded, and h1 = u(t), h2 = exp(t) and h3 = sin(t), find the overall impulse response

A) sin(t)*exp(t)*u(t) B) sin(t) + exp(t) + u(t)
C) u(t)*sin(t) D) all of the mentioned
 

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