Tim Gan Math
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Functions

Functions

Let \(f(x) = 7 -2x\) and \(g(x) = x+ 3\).

  1. Find \((g \circ f)(x)\).
  2. Write down \(g^{-1}(x)\).
  3. Find \( (f \circ g^{-1})(5)\).

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Answer:(a) \(10-2x\) (b) \(g^{-1}(x)=x-3\) (c) \(3\)

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