Mathematics 4024 · O Level · Functions

Functions — practice question

The function is defined by $f(x) = \frac{3}{x+4}$.
(a)[1]

Find $f(-6)$.

(b)[2]

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

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The value is $-1.5$.” …

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