(a)
To find:The domain of function.
(a)
Answer to Problem 56E
The domain of function is all the real numbers except
Explanation of Solution
Given information:
The function is
Calculation:
Consider the function.
.
The function is valid for all the real numbers except
Therefore, the domain of function is all the real numbers except
(b)
To find:The intercepts.
(b)
Answer to Problem 56E
The y- intercept is
Explanation of Solution
Given information:
The function is
Calculation:
Solve
So, x- intercept is
Solve
So, y- intercept is
Therefore, the y- intercept is
(c)
To find:The asymptotes.
(c)
Answer to Problem 56E
The slant asymptote is
Explanation of Solution
Given information:
The function is
Calculation:
In given function degree of numerator is one more than the degree of denominator. The graph will have slant asymptote which can be calculated by dividing numerator with denominator.
Here the slant asymptote will be
Therefore, the slant asymptote is
(d)
To find:The sketch of graph.
(d)
Answer to Problem 56E
The graph is shown in Figure-(1).
Explanation of Solution
Given information:
The function is
Calculation:
The below table shows additional points,
Test Interval | Value of x | Value of f | Sign | Point of f |
-1 | Negative | |||
1 | Positive |
Draw the sketch for the function by using the equations of asymptotes.
Figure-(1)
Therefore, the graph is shown in Figure-(1).
Chapter 2 Solutions
Precalculus with Limits
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