Function or Not a Function
Flashcard
•
Mathematics
•
8th - 11th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation where each input (x-value) has exactly one output (y-value).
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What is the Vertical Line Test?
Back
The Vertical Line Test is a method 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.
3.
FLASHCARD QUESTION
Front
Is the set {(1, 2), (2, 3), (3, 4)} a function?
Back
Yes, because each input has a unique output.
Tags
CCSS.8.F.A.1
4.
FLASHCARD QUESTION
Front
Is the set {(1, 2), (1, 3), (2, 4)} a function?
Back
No, because the input '1' has two different outputs (2 and 3).
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
What does it mean if a graph is not a function?
Back
It means that at least one input corresponds to multiple outputs.
6.
FLASHCARD QUESTION
Front
Give an example of a function.
Back
An example of a function is f(x) = 2x + 3.
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain is the set of all possible input values (x-values) for the function.
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