Mathematics 4024 · O Level · Functions

Functions — practice question

The functions are given by $f(x) = \frac{x}{4} + 3$ and $g(x) = 2(x - 1)$.

(a)[1]

Find the value of $f(-8)$.

(b)[2]

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

(c)[3]

Using $f(p) = g(p + 5)$, find the value of $p$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Answer is $1$.” …