Mathematics 4024 · O Level · Functions

Functions — practice question

The functions are $f(x) = 2x + 3$ and $g(x) = \frac{12 - 3x}{5}$.
(a)[1]

Find the value of $g(-1)$.

(b)[2]

Solve the equation $f(x) = 2$.

(c)[3]

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

(d)[4]

Find the value of $x$ when $f(x)$ is $4$ greater than $g(x)$.

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