Let be defined by

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

Problem

Let f:R→Rf:\mathbb R\to\mathbb R be defined by f(x)=3x−1f(x)=3x-1. Evaluate f−1(f(4))f^{-1}\bigl(f(4)\bigr). (a) \dfrac{10}{3} (b) 4 (c) \dfrac{14}{3} (d) \dfrac{11}{3}

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