Mathematics 4024 · O Level · Functions

Functions — practice question

The function is given by $f(x) = \frac{2x + 5}{3x}$.

(a)[1]

Find $f(-2)$.

(b)[3]

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

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “An equivalent result is $\frac16$.” …