
Concept explainers
(a)
To sketch: the graph of the given function and find all local extrema.
(a)

Answer to Problem 78E
Explanation of Solution
Given information:
Given function,
Calculation:
Need to graph the function
Graphing
From the above graph, it is clear that the graph has local maximum
Graphing
From the above graph, it is clear that the graph has local minimum
(b)
To sketch: the graph of the given function and find all local extrema.
(b)

Answer to Problem 78E
The local maximum is
The local maximum is
Explanation of Solution
Given information:
Given function,
Calculation:
Need to graph the function
Graphing
Here the function
Hence, the local maximum is
Now the local minimum is obtained by adding 5 units to
Hence, the local maximum is
Chapter 3 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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