a.
To find : The local extrema of the function
a.
Answer to Problem 28E
Explanation of Solution
Given information :
The given function is
Calculation :
To find the local extrema first find the derivative of
Set
Since, the value of sign cannot be greater than 1. Therefore, there is no critical point for this function.
As there is no critical point, so there will be no extrema.
Hence,
b.
To find : The interval on which the function
b.
Answer to Problem 28E
The interval on which the function increases is
Explanation of Solution
Given information :
The given function is
Calculation :
From (a)
Substitute any point into
So, the function is only increasing.
Hence,
The interval on which the function increases is
c.
To find : The interval on which the function
c.
Answer to Problem 28E
The function
Explanation of Solution
Given information :
The given function is
Calculation :
From (b), the function is increasing everywhere.
Therefore, the function
Hence,
The function
Chapter 5 Solutions
Calculus: Graphical, Numerical, Algebraic
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