Math Problem Statement
Solution
To graph by placing the horizontal and vertical asymptotes, let's analyze the function and determine these asymptotes.
Step 1: Determine Vertical Asymptote
The vertical asymptote occurs where the denominator is zero (since division by zero is undefined). For this function:
Thus, there is a vertical asymptote at .
Step 2: Determine Horizontal Asymptote
For rational functions of the form , the horizontal asymptote can be determined by comparing the degrees of the numerator and denominator. If the degrees are the same, the horizontal asymptote is the ratio of the leading coefficients.
In this case, both the numerator and denominator are of degree 1. The leading coefficient in the numerator is 1, and in the denominator, it is also 1. Therefore:
So, the horizontal asymptote is .
Step 3: Plot an Additional Point
To get a sense of the graph's shape, let’s pick a point. We can choose for simplicity:
So, is a point on the graph.
Summary
- Vertical Asymptote at .
- Horizontal Asymptote at .
- Point as an additional point on the graph.
Now, you can plot these elements on the grid:
- Draw a dashed vertical line at to represent the vertical asymptote.
- Draw a dashed horizontal line at to represent the horizontal asymptote.
- Plot the point .
Would you like more details on any of these steps, or have any other questions?
Here are 5 questions for further exploration:
- What happens to as approaches the vertical asymptote from both sides?
- How does the behavior of change as or ?
- How would the graph of change if the numerator or denominator were altered?
- What would be the effect of adding a constant to the entire function ?
- How can you determine the slant asymptote for a function where the degree of the numerator is one higher than the denominator?
Tip: Always examine both the horizontal and vertical asymptotes to understand the end behavior and restrictions of rational functions before plotting additional points.
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Math Problem Analysis
Mathematical Concepts
Rational Functions
Asymptotes
Graphing
Formulas
Vertical asymptote occurs where denominator = 0
Horizontal asymptote for rational functions with same-degree numerator and denominator: y = leading coefficient of numerator / leading coefficient of denominator
Theorems
Asymptote Behavior of Rational Functions
Suitable Grade Level
Grades 10-12
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