20
f(x) = 4(x + 1)
(a) Write down the value of x when f¯¹(x) = 2.
(c) Find g(x).
(b) Find fg(x). Give your answer in its simplest form.
g(x)
2
Answer(a) x =
- 1
Answer(b) fg(x)=
[1]
[2]