IB Functions Problem 014

Let \(f(x) = \sqrt{x + 4}\), \(x \geq -4\) and \(g(x) = x^2\), \(x \in \mathbb{R}\).

  1. Find \((g \circ f)(3)\).
  2. Find \(f^{-1}(x)\).
  3. Write down the domain of \(f^{-1}\).
Published by Annie Bernatchez in «functions». Key Words: IB, question