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Concept explainers
In Problems 22 and 23, use a graphing utility to graph each function over the indicated interval. Approximate any
![Check Mark](/static/check-mark.png)
To graph:
a. using graphing utility.
Answer to Problem 22RE
Solution:
a.
Explanation of Solution
Given:
;
Graph:
a. Graph of using graphing utility.
Interpretation:
a. The graph of is plotted using graphing utility.
![Check Mark](/static/check-mark.png)
To graph:
b. Approximate local maximum values and local minimum values.
Answer to Problem 22RE
Solution:
b. Local maximum values: .
Local minimum values: .
Explanation of Solution
Given:
;
Interpretation:
b. From the graph we see that,
Local maximum values: .
Local minimum values: .
![Check Mark](/static/check-mark.png)
To graph:
c. Where the function is increasing and where it is decreasing.
Answer to Problem 22RE
Solution:
c. The function is increasing in the interval as the function is defined in the interval .
The function is decreasing in the interval .
Explanation of Solution
Given:
;
Interpretation:
c. From the graph, we see that,
The function is increasing in the interval as the function is defined in the interval .
The function is decreasing in the interval .
Chapter 2 Solutions
Precalculus Enhanced with Graphing Utilities
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