Concept explainers
a.
To find : the domain of the function
a.
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Answer to Problem 28E
The domain is any real number
Explanation of Solution
Given information : The function is
Calculation :
This means it has no real zeroes. The denominator is never
b.
To state : the function is continuous
b.
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Answer to Problem 28E
The function is continuous
Explanation of Solution
Given information : The function is
The function is defined for all real number so, the function continuous
c.
To identify : the horizontal and vertical asymptote and also verify the answer of part(a) by using the graphing utility and numerically
c.
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Answer to Problem 28E
There is no vertical asymptote and the horizontal asymptote is
Explanation of Solution
Given information : The function is
Calculation :
There is no vertical asymptote for the reason which is provided in part (a)
The degree of the numerator and denominator are the same. There is a horizontal asymptote
-2 | |
-1 | -0.1 |
0 | 0.13 |
1 | 0.22 |
2 | 0.65 |
Graph : Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press
Step 3: Enter the expression
Step 4: Press
The graph is obtained as:
Chapter 2 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
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