Consider the set A = {w,1,4.2}, and the relations S = {(w,x),(w,y),(1, w), (1, 1), (2, 2)} T = {(w, w), (w,y),(1, w), (1, 1), (1,2), (y, w), (y,y),(4,2)} Find the following compositions: 1. SOT 2. TOS 3. T-1. S-1