Question
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Answer
The function
has a vertical asymptote at
, a horizontal asymptote at
, an x-intercept at
, and a y-intercept at
.
Solution
To analyze the function
, we can start by simplifying the expression and examining its properties.
-
Factor the denominator:
The denominatorcan be factored as: Thus, we can rewrite the function as: -
Identify the domain:
The function is defined for allexcept where the denominator is zero. Setting the denominator equal to zero: Therefore, the domain ofis . -
Find the vertical asymptote:
Since the denominator approaches zero asapproaches -2, there is a vertical asymptote at . -
Find the horizontal asymptote:
To find the horizontal asymptote, we can analyze the behavior ofas approaches infinity: Thus, the horizontal asymptote is. -
Find the x-intercept:
The x-intercept occurs when: Therefore, the x-intercept is at. -
Find the y-intercept:
The y-intercept occurs when: Therefore, the y-intercept is at. -
Summary of properties:
- Domain:
- Vertical asymptote:
- Horizontal asymptote:
- x-intercept:
- y-intercept:
- Domain:
If you have any specific questions or need further analysis on this function, feel free to ask!
Answered by UpStudy AI and reviewed by a Professional Tutor
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Beyond the Answer
This function features a polynomial in the numerator and a quadratic polynomial in the denominator, making it a rational function. Interestingly, the denominator can be factored as
, leading to insights about its behavior near critical points. The vertical asymptote occurs where the denominator equals zero, which means
approaches infinity as
approaches -2.
To truly grasp how
behaves, consider plotting the function to visualize its asymptotes and intercepts. You’ll notice it has a horizontal asymptote at
as
approaches infinity, indicating that the function levels off at 0. Additionally, analyzing limits can help you understand the values closer to the asymptote and confirm if the function has any holes at points of discontinuity.