Pregunta
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Find the domain and the - and -intercepts of . Then graph the function.

What is the domain of ?
A.
B.
Celect the correct choice below and fill in any answer boxes within your choice.
A. The x-intercept is
(Type an ordered pair. Type an exact answer.)
B. There is no -intercept.

Ask by Lambert Goodwin. in the United States
Mar 26,2025

Solución de inteligencia artificial de Upstudy

Respuesta verificada por el tutor

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Domain: All real numbers except .
-Intercept: .
-Intercept: .

Solución

Step 1. Find the Domain
The function is
The denominator is zero when
Thus, must be excluded from the domain. The domain is all real numbers except :
Step 2. Find the -Intercept
The -intercept occurs when . Set the numerator equal to zero:
Since (the excluded value), the -intercept is valid:
Step 3. Find the -Intercept
The -intercept is found by evaluating :
Thus, the -intercept is:
Step 4. Graphing the Function
Key features to include in the graph:
  • Vertical Asymptote: , since the denominator is zero at .
  • Horizontal Asymptote: Since the degree of the numerator (1) is less than the degree of the denominator (2), the horizontal asymptote is .
  • Intercepts: -intercept at and -intercept at .
When graphing, plot the intercepts, draw the vertical line as an asymptote, and indicate that the graph approaches the line as .
Answering the Multiple-Choice Parts:
  • The correct domain is .
  • For the -intercept, the correct choice is:
    A. The -intercept is .

Respondido por UpStudy AI y revisado por un tutor profesional

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The Deep Dive

The domain of is all real numbers except where the denominator equals zero. Since when , the domain is .
Now, let’s find the intercepts. The -intercept is found by evaluating , which gives us the -intercept at the point .
For the -intercept, set :
This occurs when , giving an -intercept at .
In summary:
  • The domain of is .
  • The x-intercept is .
  • The y-intercept is .

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