[Convolution and Correlation] You are given z(t) = e 2*u(t) and h(t) = u(3 t) for R. Using a graphical approach to determine how the interval R should be divided into subintervals on which y() will have different analytic expressions. Explicitly specify the range of each subinterval. For each subinterval, set up an integral with proper lower and upper integration limits, but do NOT proceed to evaluate the numerical result of the integral. For sanity check, the union of all subintervals must be R. (a) When y(t) is the covolution between z(t) and h(t): y(t) = f z(T)h(t 7) dT. (b) When y(t) is the correlation between x(t) and h(t): y(t) = /00 z(1)h(T t)dT. oD