JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Application +4 | -1

Let

f

and

g

be two functions defined by

f(x)=\frac{x}{x+1}

g(x)=\frac{x}{1-x}

. Then

(f \circ g)^{-1}(x)

is equal to

View answer and explanation

Correct option: A

x

Option A (x) is correct because the composite function f(g(x)) simplifies to x, making the inverse function also x.

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