Mathematics 4024 · O Level · Functions

Functions — practice question

The function is $f(x)=3x+7$.
(a)[1]

Find the value of $f(3.2)$.

(b)[1]

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

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A correct answer is $16.6$.” …

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