MyLab Math with Pearson eText -- Standalone Access Card -- for Precalculus (6th Edition)
6th Edition
ISBN: 9780134757834
Author: Robert F. Blitzer
Publisher: PEARSON
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Textbook Question
Chapter 9.5, Problem 63PE
In Exercises 63-68, sketch the function represented by the given parametric equations. Then use the graph to determine each of the following:
a. intervals, if any, on which the function is increasing and intervals, if any, on which the function is decreasing.
b. the number, if any, at which the function has a maximum and this maximum value, or the number, if any, at which the function has a minimum and this minimum value.
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#2
2. We want to find the inverse of f(x) = (x+3)²
a. On the graph at right, sketch f(x).
(Hint: use what you know about
transformations!) (2 points)
b. What domain should we choose to
get only the part of f (x) that is one-
to-one and non-decreasing? Give
your answer in inequality notation. (2
points)
-
c. Now use algebra to find f¯¹ (x). (2
points)
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3-
2
1
-4
-3
-2
-1
0
1
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-2-
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-4
-N-
2
3
4
1. Suppose f(x) =
2
4
==
x+3
and g(x) = ½-½. Find and fully simplify ƒ(g(x)). Be sure to show all
x
your work, write neatly so your work is easy to follow, and connect your expressions
with equals signs. (4 points)
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