Concept explainers
a.
To find the local extrema.
a.
Answer to Problem 21E
The
Explanation of Solution
Given information:
The given function is
Concept used:
Extreme values occur only at critical points and end points.
A point in the interior of the domain of a function f at which
Calculation :
The domain of the function is
Take derivative of the function
At critical point
Therefore,
The local maximum at
b.
To find the intervals on which the function is increasing.
b.
Answer to Problem 21E
The function increases at none.
Explanation of Solution
Given information:
The given function is
Concept used:
If
It is assumed that f be continuous on
Calculation :
For increasing function
For each value of x inside the domain
Therefore,
The function increases at none.
c.
To find the intervals on which the function is decreasing.
c.
Answer to Problem 21E
The function decreases on
Explanation of Solution
Given information:
The given function is
Concept used:
If
It is assumed that f be continuous on
Calculation :
For decreasing function
For each value of x inside the domain
Therefore,
The function decreases on
Chapter 5 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
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