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6th Edition

Stewart + 5 others

Publisher: Cengage Learning

ISBN: 9780840068071

Chapter 2.3, Problem 33E

a.

To determine

To find all the local maximum and minimum value of the function and the value of

Expert Solution

The local maximum and minimum value of the function are

**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 determine

To find the interval on which the function is increasing and on which the function is decreasing.

Expert Solution

The function

**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