Question

State with reason whether following functions have inverse
g : {5, 6, 7, 8} → {1, 2, 3, 4} with
g = {(5, 4), (6, 3), (7, 4), (8, 2)}

Answer 1

Step-by-step explanation:

(ii)

with

From the definition, we can conclude :

g is not one-one.

Hence, function g does not have inverse function