Finding the implied domain with a quadratic denominator of a rational function

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Mathematics
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a function?
The set of all negative values
The set of all input values
The set of all output values
The set of all positive values
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a parabola, what is typically the domain?
All positive numbers
Only integers
All negative numbers
All real numbers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a condition that can restrict the domain of a function?
Dividing by zero
Multiplying by zero
Adding zero
Having a positive number under a square root
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you have a negative value under a square root in a function?
The domain is restricted
The function becomes undefined
The function is always positive
The domain is all real numbers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the function H(x) = 10 / (x^2 - 2x), what values of x are excluded from the domain?
x = 2 and x = 3
x = -1 and x = 1
x = 1 and x = 3
x = 0 and x = 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine which values to exclude from the domain of a rational function?
Set the denominator equal to zero
Set the numerator equal to zero
Set the entire function equal to zero
Set the function equal to one
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of factoring the expression x^2 - 2x?
x(x - 1)
x(x + 1)
x(x - 2)
x(x + 2)
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