Functions
Functions
5 marks
Let \(f(x) = 3x\), \(g(x) = 2x - 5\) and \(h(x) = (f \circ g)(x)\)
- Find \(h(x)\).[2]
- Find \(h^{-1}(x)\).[3]
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Answer:(a) \(h(x)=6x-15\) (b) \(h^{-1}(x)=\dfrac{x+15}{6}\)
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