226
Chapter 2 Graphs and Functions
23.
(continued)
f x
1
−2
4
−1
1
0
0
1
1
2
4
f x 2 x2 h x x2
f x 2 x2
−2
4
8
−1
1
2
0
0
0
1
1
2
2
4
8
x
24.
fx
22.
f x 3x
hx x
x
2
f x 3x
−2
4
12
−1
1
3
0
0
0
1
1
3
2
4
12
1
fx
1
x 22
1
x 23
2 1 2
0 1 2
2
x2
3
h x x2
x
2
2
h x x2
x
21.
2x
fx
−3
9
−2
4
4 3
−1
1
1 3
0
0
0
1
1
1 3
2
4
4 3
3
9
2
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