(a(i))[1]
Determine $f(4)$.
(a(ii))[2]
Determine $hg(3)$.
(a(iii))[1]
Write $g(2x)$ in its simplest form.
(a(iv))[2]
Express $fg(x)$ in its simplest form.
(b)[2]
Determine $f^{-1}(x)$.
(c)[2]
Determine $x$ when $5f(x) = 3$.
(d)[4]
Find the solutions of the equation $gf(x) = -16$.
(e)[1]
Determine $x$ when $h^{-1}(x) = -2$.