Answer :

(i) It is given that S = {a, b, c} and T = {1, 2, 3}

F : S T is defined as:


F = {(a, 3), (b, 2), (c, 1)}


= > F(a) = 3, F(b) = 2, F(c) = 1


Therefore, F-1: T S is given by:


F-1 = {(3, a), (2, b), (1, c)}.


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