Concept explainers
a.
To find the local extrema.
a.
Answer to Problem 19E
The local extrema at none.
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 :
Take derivative of the function
Equate the derivative to 0.
The exponential function is never zero hence, value of x is not defined
Therefore,
The local extrema at none.
b.
To find the intervals on which the function is increasing.
b.
Answer to Problem 19E
The function increases in the interval
Explanation of Solution
Given information:
The given function is
Concept used:
If
It is assumed that f be continuous on
Calculation :
For increasing function
Therefore,
The function increases in the interval
c.
To find the intervals on which the function is decreasing.
c.
Answer to Problem 19E
The function decreases at none.
Explanation of Solution
Given information:
The given function is
Concept used:
If
It is assumed that f be continuous on
Calculation :
For decreasing function
Therefore,
The function decreases at none.
Chapter 5 Solutions
Calculus: Graphical, Numerical, Algebraic
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