1.5. Let x(t) be a signal with x(t) = 0 fort < 3. For each signal given below, determine the values oft for which it is guaranteed to be zero. (a) x(l - t) , (b) x(l - t) + x(2- t) , (c) x(l - t)x(2 - t) , (d) x(3t) , (e) x(t/3)

 

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Signals and systems ,  SNS

Signals and systems second edition ,

Alan V. Oppenheim Alan S. Willsky with S. Hamid Nawab ,

Consider the discrete-time signal ,

x[n] , Continuous-Time and Discrete-Time Signals ,

periodic signals , chapter 1 , question 1.9 , exercise questions of alan V. Oppenheim ,

1.5. Let x(t) be a signal with x(t) = 0 fort < 3. For each signal given below, determine the values oft for which it is guaranteed to be zero. (a) x(l - t)  ,  (b) x(l - t) + x(2- t)  ,  (c) x(l - t)x(2 - t)  ,  (d) x(3t)  ,  (e) x(t/3)

For each signal given below, determine the values

Left shifted , right shifted ,scaling , reversal