
a.
To find: the domain of the function.
a.

Answer to Problem 7E
The domain is any real number except x =1, since that would be dividing by zero.
Explanation of Solution
Given information:Given function
Calculation:
The domain is any real number except x =1, since that would be dividing by zero.
b.
To: complete each table.
b.

Explanation of Solution
Given information:Given function
and giventables are.
x | f(x) |
0.5 | |
0.9 | |
0.99 | |
0.999 |
x | f(x) |
1.5 | |
1.1 | |
1.01 | |
1.001 |
x | f(x) |
5 | |
10 | |
100 | |
1000 |
x | f(x) |
-5 | |
-10 | |
-100 | |
-1000 |
Calculation:
Completed tables are given below.
x | f(x) |
0.5 | 3 |
0.9 | 27 |
0.99 | 297 |
0.999 | 2997 |
x | f(x) |
1.5 | 9 |
1.1 | 33 |
1.01 | 303 |
1.001 | 3003 |
x | f(x) |
5 | 3.75 |
10 | 3.333 |
100 | 3.0303 |
1000 | 3.003 |
x | f(x) |
-5 | -2.5 |
-10 | -2.727 |
-100 | -2.9703 |
-1000 | -2.997 |
c.
To: discuss the behavior of f near any excluded x - values.
c.

Answer to Problem 7E
There is a vertical asymptote at x =1.
When
When
Explanation of Solution
Given information: Given function
Calculation:
From top two tables:
So, there is a vertical asymptote at x =1.
From the bottom two tables:
When
When
Chapter 2 Solutions
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