Math Problem Statement
Asymptotes, domain, range and x and y intercepts
Solution
Let's analyze the graph of the rational function based on the image you uploaded.
1. Vertical and Horizontal Asymptotes
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Vertical Asymptotes: These occur where the function is undefined, typically where the denominator of a rational function equals zero. From the graph, the vertical dashed lines seem to be at and , indicating vertical asymptotes. So, the equations of the vertical asymptotes are:
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Horizontal Asymptote: This describes the end behavior of the function as or . The horizontal asymptote is at , as the curve approaches the x-axis but never crosses it. Therefore, the equation of the horizontal asymptote is:
2. Intercepts
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x-Intercept(s): The x-intercept(s) occur where the graph crosses the x-axis (i.e., where ). From the graph, the curve crosses the x-axis at , meaning the x-intercept is:
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y-Intercept(s): The y-intercept is where the graph crosses the y-axis (i.e., where ). In this case, the y-intercept also occurs at , so it shares the same point as the x-intercept:
3. Domain
The domain of a rational function is all real numbers except where the function is undefined (at the vertical asymptotes). From the graph, the function is undefined at and . Therefore, the domain is:
4. Range
The range is the set of possible values for , excluding any values the function cannot take. Since the horizontal asymptote is at , and the graph approaches this asymptote but never touches it, the range is all real numbers except :
Would you like more details on any part of this analysis?
Here are five related questions you might find helpful:
- What is the behavior of the function near the vertical asymptotes?
- How does the horizontal asymptote affect the end behavior of the function?
- Can you find the function's equation based on the given graph?
- How do holes in the graph of a rational function affect the domain and range?
- What are the different types of asymptotes and how are they determined?
Tip:
For rational functions, vertical asymptotes correspond to values of that make the denominator zero, while horizontal asymptotes are determined by the degrees of the numerator and denominator.
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Math Problem Analysis
Mathematical Concepts
Rational Functions
Asymptotes
Intercepts
Domain and Range
Formulas
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Theorems
Asymptote Theorem: Vertical asymptotes occur where the denominator equals zero.
Horizontal Asymptote Theorem: The horizontal asymptote is based on the degree of the numerator and denominator.
Suitable Grade Level
Grades 10-12
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