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If the function f(x):A to B and g(x):B t...

If the function `f(x):A to B` and `g(x):B to C` are defined such that `(g(f(x)))^-1` exist then `f(x) and g(x)` are

A

one-one and onto

B

many-one and onto

C

one-one and into

D

many-one and into

Text Solution

Verified by Experts

The correct Answer is:
A
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