Domain and Range of Functions

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation that assigns exactly one output for each input. In other words, for every x-value, there is one and only one y-value.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain of a function is the set of all possible input values (x-values) that the function can accept.
3.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range of a function is the set of all possible output values (y-values) that the function can produce.
4.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method used to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.
5.
FLASHCARD QUESTION
Front
Does the following set represent a function? {(1,2), (1,3), (2,4)}
Back
No, because the input value '1' is associated with two different output values (2 and 3).
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
An example of a function is f(x) = 2x + 3, where for each x-value, there is a unique y-value.
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
What does it mean if a function is not defined for a certain x-value?
Back
It means that there is no corresponding y-value for that x-value in the function.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
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