
Understanding Domain of Functions

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for an x-value to be in the domain of a function?
The x-value is positive.
The x-value is negative.
The function has a legitimate output for that x-value.
The function is undefined for that x-value.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the function f(x), is x = -5 in the domain?
No, because the output is positive.
No, because the output is undefined.
Yes, because the output is zero.
Yes, because the output is negative.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you evaluate f(x) at x = 3?
The output is a negative number.
The output is zero.
The output is undefined due to division by zero.
The output is a positive number.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following x-values is not in the domain of f(x)?
x = 2
x = 3
x = 0
x = -5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the function g(x), is x = -3 in the domain?
Yes, because the output is zero.
No, because the output is a complex number.
No, because the output is undefined.
Yes, because the output is a real number.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of evaluating g(x) at x = 0?
The output is zero.
The output is a negative number.
The output is a positive number.
The output is undefined.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the function g(x), is x = 2 in the domain?
Yes, because the output is a real number.
No, because the output is undefined.
Yes, because the output is zero.
No, because the output is a complex number.
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