0580 P21 - Nov 2015 - Q21 - 6 marks
15367
\(f(x)=x^3,\quad g(x)=3x-5,\quad h(x)=2x+1\).
(a) Find ff(2). [2]
(b) Find gh(x) and simplify. [2]
(c) Find \(h^{-1}(x)\). [2]
