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Chapter 9
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Lesson 9.3.2
> Problem 9-114
9-114.
Answer (a):
Answer (b):
2
x
+
y
= 900
y
= 900 − 2
x
Area = (
x
)(900 − 2
x
)
Graph (c):
Answer (d):
Answer (e):
Slope of the tangent line is 0.