(a(i))[1]
Find $f(-3)$.
(a(ii))[2]
Find $g^{-1}(x)$.
(a(iii))[4]
Find $f(x) \times g(x) \times f(x)$.
(b)[2]
Find $x$ when $h(x) = g(f(2))$.
Mathematics 0580 · IGCSE · Functions
Functions — practice question
The functions are given by $f(x) = x - 4$, $g(x) = 2x + 5$, and $h(x) = 3^x$.