(b)y=0.7y21+61yo=0 (c)y=y21+E;1yo=0(b) yt = 0.7 yt−1 +  t y0 = 0 - 6 - 4 - 2 0 2 4 6 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100 (c) yt = yt−1 +  t y0 = 0 - 4 - 2 0 2 4 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100