Functions

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

1. Find \((g\circ f)(x)\).

   [2]

2. Write down \(g^{-1}(x)\).

   [1]

3. Find \( (f \circ g^{-1})(5)\).

   [2]