Concept explainers
To find the asymptotes and holes of the function

Answer to Problem 63E
Explanation of Solution
Given:
Function:
Calculation:
Intercepts:
Let
To find x intercepts, put y = 0,
So, x intercepts are (1, 0) and (4, 0)
To find y intercepts, put x = 0,
So, y intercept is (0, -1).
Asymptotes:
Vertical asymptotes:
To find vertical asymptotes, put denominator of the given function equal to zero.
Horizontal asymptotes:
As the degree of numerator is equal to the degree of the denominator, the horizontal asymptote is
Slant asymptotes:
As the degree of numerator is equal to the degree of the denominator, the slant asymptote does not exist for given function.
Holes:
Here, the given function does not contain common factor in numerator and denominator. So, the function does not have any holes.
Calculation for graph:
Consider
Values of x | Values of f (x) |
0 | -1 |
1 | 0 |
-1 | -3.333 |
2 | Infinity |
-2 | Infinity |
By taking different values of x, the graph can be plotted.
Graph:
Interpretation:
By observing graph, it is clear that
The x intercepts are (1, 0) and (4, 0),
The y intercept is (0, -1),
The vertical asymptotes are
The horizontal asymptote is
Chapter 2 Solutions
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