Question

If A = {a, b, c, d} and the function f = {(a, b), (b, d), (c, a), (d, c)}, write f^–1 

Answer 1

Given,

A = {a, b, c, d} and f = {(a, b), (b, d), (c, a), (d, c)}

So,

f^–1 = {(b, a), (d, b), (a, c), (c, d)}