Let be the function defined for

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

Problem

Let hh be the function h(x)=x2−6x+8h(x)=x^{2}-6x+8 defined for x≥3x\ge 3. Determine h−1(x)h^{-1}(x). (a) 3+x−13+\sqrt{x-1} (b) x+1−3\sqrt{x+1}-3 (c) 3+x+13+\sqrt{x+1} (d) 3−x+13-\sqrt{x+1}

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