What is the domain of a function?

Domain and Restrictions of Functions

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The output of a function
All possible x values of a function
All possible y values of a function
The range of a function
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a polynomial function like x^2 + 3x + 1?
All real numbers
x > 0
x < 0
x ≠ 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the domain of a function with a fraction?
Set the denominator not equal to zero
Set the numerator equal to zero
Set the denominator equal to zero
Set the entire fraction equal to zero
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the denominator of a fraction is x^2 + 5x + 6, what are the restrictions on x?
x cannot be 0
x cannot be -3 or -2
x cannot be 3 or 2
x cannot be 5 or 6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a function with a denominator x^2 + 3?
All real numbers
x cannot be 3
x cannot be -3
x cannot be 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the domain of a function with a square root?
Set the radicand less than zero
Set the radicand greater than or equal to zero
Set the radicand equal to zero
Set the radicand greater than zero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a square root function with radicand x + 1, what is the domain?
x ≤ 1
x ≥ -1
x < -1
x > 1
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