Mathematics 0580 · IGCSE · Functions

Functions — practice question

(a)[2]

Find what $a$ is.

(b(i))[2]

Find $gh(x)$ in simplest form.

(b(ii))[2]

Find the inverse function $g^{-1}(x)$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence $a=7$.” …