??? - 2013 JUNE Q7
7. The function f has domain –2 ≤ x ≤ 6 and is linear from (–2, 10) to (2, 0) and from (2, 0) to (6, 4). A sketch of the graph of y = f(x) is shown in Figure 1.
(a) Write down the range of f. (1)
(b) Find ff(0). (2)
The function g is defined by
(b) Find ff(0). (2)
The function g is defined by
(c) Find g–1(x)
(3)
(d) Solve the equation gf(x) = 16 (5)
(d) Solve the equation gf(x) = 16 (5)