Mathematics 0580 · IGCSE · Functions

Functions — practice question

The function can be expressed as $f(x) = 5x + 2$.
(main)[2]

Find $f^{-1}(x)$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: The inverse function is $\dfrac{x-2}{5}$.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI