Exercise 4B
1 The function fis shown in the graph.
10
8
-8 -6 -4 -2
6
2
Fa
-2
A
0
-4-
-6-
-8
2
6
a Write down the values of
i f(-2)
ii f(6).
8
10
b Find the value(s) of x that solve each of
these equations:
i f(x) = 3
ii f(x) = 0.
c Find the set of values of x for which
f(x) < 0.
3