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Unformatted text preview: e. y(t) = x(t)x(t2) 2(30). For each system in problem 1, determine whether or not the system is timeinvariant. Justify your answer. 3(20). For each system in problem 1, determine whether or not the system is causal. Justify your answer. 4(20). For each system in problem 1, determine the formula for and sketch the output when the input is a delta function (i.e., input x[n] = [n] for the discretetime systems and x(t) = (t) for the continuoustime systems)....
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 Spring '07
 WOZNY

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