For a bijective function

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

For a bijective function f:R→Rf:\mathbb{R}\to\mathbb{R}, what is the value of f−1(f(x))f^{-1}\bigl(f(x)\bigr) for any xx in the domain of ff? (a) f−1(x)f^{-1}(x) (b) xx (c) 1f(x)\dfrac{1}{f(x)} (d) f(x)f(x)

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