Mathematics 4024 · O Level · Functions

Functions — practice question

This function is given by $f(x) = 2x - 9$.
(a)[1]

Evaluate $f\left(-\frac{3}{4}\right)$.

(b)[2]

Determine $f^{-1}(3)$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Answer: $-10\tfrac{1}{2}$ (oe)” …

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