Question

A = {1, 2, 3, 4, 5} B = {a, b, c, d] and f: AB is given by
f = {(1, d) (2, a) (3, c) (4, a) (5, c)}. Then, 1 ({1, 2, 3}) = ?
(A) {d, c,,c} (B) {a, c, c)
(C)
{d, d, a)
(D)
{d, a, c}​

Answer 1

Step-by-step explanation:

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