Mathematics 4024 · O Level · Functions

Functions — practice question

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

Determine $f\left(-2\frac{1}{2}\right)$.

(b)[2]

Determine $f^{-1}(5)$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: Therefore, the answer is $-3.5$.

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