Let be given by

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Let f:R→Rf:\mathbb{R}\to\mathbb{R} be given by f(x)=5−3xf(x)=5-3x. The inverse function f−1(x)f^{-1}(x) is (a) x−53\dfrac{x-5}{3} (b) 5−x3\dfrac{5-x}{3} (c) 5−3x5-3x (d) 5+x3\dfrac{5+x}{3}

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