n 2 12345 Figure 2.1.a1:x[n] Scaled and shifted The sum of these yields the following sequence for yIn yIn 2 Figure 2.1.a2: gnx[n − 2] 1 2 −1 −6 −5 −4 −3 −2 1 2 3 4 5 2 3 4 5 n x[n − 3] 1 2 −1 −6 −5 −4 −3 −2 −1 1 2 3 4 5 2 3 4 5 n Figure 2.1.a.1: x[n] Scaled and shifted The sum of these yields the following sequence for y[n]: 1 2 3 −1 −2 −6 −5 −4 −3 −2 −1 1 2 3 4 5 2 3 4 5 y[n] n Figure 2.1.a.2: y[n] 7