
Concept explainers
a.
To find all the
a.

Answer to Problem 34E
The local maximum and minimum value of the function are
Explanation of Solution
Given information :
The graph of the function is given.
Draw a viewing rectangle on each of the extremum of the graph of the function which is provided in the question.
The graph is shown below:
From the above graph, it can be observed that the point
Similarly, it can be observed that the point
Hence,
The local maximum and minimum value of the function are
b.
To find the interval on which the function is increasing and on which the function is decreasing.
b.

Answer to Problem 34E
The function
Explanation of Solution
Given information :
The graph of the function is given.
Concept used:
The function is increasing on an interval
The function is decreasing on an interval
The graph of the function is shown below:
Use definition of increasing and decreasing function.
From the above graph, it can be observed that the function
Chapter 2 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
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