What is the domain of a function?

Understanding Domains and Ranges of Functions

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

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The set of all integers
The set of all real numbers
The set of all acceptable inputs
The set of all possible outputs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't zero be used as an input in some functions?
Because it is not an integer
Because it is not a positive number
Because it results in division by zero
Because it is not a real number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common misunderstanding about the domain of a function?
That it includes only negative numbers
That any number can be used as an input
That it includes only integers
That it includes only positive numbers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example function, what are the acceptable inputs?
0, 2, -1, 3, 6
Only positive numbers
Only negative numbers
All real numbers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of the function f(x) = 3x + 1?
All integers
All real numbers
Only negative numbers
Only positive numbers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the domain of a function from a graph?
By looking at the y-axis
By looking at the x-axis
By looking at the z-axis
By looking at the graph's color
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of a graph if the lowest y-value is -3?
All real numbers greater than or equal to -3
All real numbers
All real numbers less than -3
All integers
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