Is it a function?

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•
Mathematics
•
8th Grade
•
Hard
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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).
2.
FLASHCARD QUESTION
Front
What is the definition of 'Not a Function'?
Back
A relation is 'Not a Function' if at least one input (x-value) is associated with more than one output (y-value).
3.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function?
Back
You can determine if a relation is a function by checking if each x-value has only one corresponding y-value.
4.
FLASHCARD QUESTION
Front
What does the vertical line test indicate?
Back
The vertical line test states that if a vertical line intersects a graph at more than one point, the relation is not a function.
5.
FLASHCARD QUESTION
Front
Is the set of pairs (2,3), (2,4), (3,5) a function?
Back
No, because the x-value 2 has two different y-values (3 and 4).
6.
FLASHCARD QUESTION
Front
Is the set of pairs (1,2), (2,3), (3,4) a function?
Back
Yes, because each x-value has only one corresponding y-value.
7.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
An example of a function is the relation {(1,2), (2,3), (3,4)}.
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