If and ,…

MATHEMATICS · Multi-part · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

If f:x→xf : x \rightarrow \sqrt{x} and g:x→3+xg : x \rightarrow 3 + x , find: (a) f−1(2)×g−1(2)f^{-1}(2) \times g^{-1}(2) (b) (f∘g)−1(2)(f \circ g)^{-1}(2)

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