Concept explainers
a.
Draw the graph of the function .
a.

Explanation of Solution
Given: It is given in the question that the function is
Graph:
Interpretation: The graph for the function
In the graphic utility,simply put the function on that and the graph will get it.
Conclusion:
b.
Find the interval on which the function is increasing and decreasing.
b.

Answer to Problem 58E
The increasing and decreasing intervals for the fumction are
Explanation of Solution
Given:
It is given in the question that the function is
Concept Used:
In this,use the concept of understanding the graph and know to find the point of intersection.
Calculation:
As ,it is find that the graph is given below:
As,it is seen in the curve the two coordinates are found
So,
The interval of the increasing is
The interval of the decreasing is
Conclusion:
The increasing and decreasing intervals are
c.
Find the approximate
c.

Answer to Problem 58E
The Maximum
Explanation of Solution
Given:
It is given in the question that the function is
Concept Used:
In this,use the concept of finding the maxima and
Calculation: The function is
Differentiate the function,
Now,the interval that is found in the above part is
Conclusion:
The Maximum
Chapter 3 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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