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A2C
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Chapter 13
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Lesson 13.1.4
> Problem 13-83
13-83.
Hint:
Substitute
g
(
x
) for
x
in
f
(\
x
).
f
(
g
(
x
)) = 2(
x
+ 1)
2
− 3
Answer:
f
(
g
(
x
)) = 2
x
2
+ 4
x
− 1
