Mathematics 0580 · IGCSE · Functions

Functions — practice question

$f(x)=x^2$, $g(x)=\frac{x+5}{2}$, $h(x)=7x-3$.
(a)[1]

Find the value of $f(-3)$.

(b)[2]

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

(c)[3]

Solve $gf(x)=hh^{-1}(63)$ with $x>0$.

Worked solution & mark scheme

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