Mathematics 4024 · O Level · Functions

Functions — practice question

The function is $f(x) = 3x^{2} + 5$.
(a)[1]

Calculate $f(-1)$.

(b)[3]

Solve $f(2x) = 17$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The answer is $8$.” …

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