(c) e(t) = Pu(t-57) 2.4-1. A function e(t) is sampled, and the resultant sequence has the z-transform E(z) = 23-2z -0.92² + 0.8 Solve this problem using E(2) and the properties of the z-transform. (a) Find the z-transform of e(t - 27)u(1-27). (b) Find the z-transform of e(t + 2)u(t). (c) Find the z-transform of e(t T)u(1-27). 2.6-3. Gi wh (a) (b) (c (d