Does this mapping diagram represent a function?
Identifying Functions

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•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Yes, because each input goes to one and only one output.
2.
FLASHCARD QUESTION
Front
How do you use the vertical line test?
Back
Draw vertical lines through your graph. If any of the vertical lines you draw intersects the graph more than once then the graph is not the graph of a function.
3.
FLASHCARD QUESTION
Front
What is the definition of a function?
Back
Every input has only one output.
4.
FLASHCARD QUESTION
Front
Is the relation a function? Why?
Back
No, because the x-value 11 has two y-values pair with it.
5.
FLASHCARD QUESTION
Front
Does the table represent a function?
Back
Yes.
6.
FLASHCARD QUESTION
Front
What is a function?
Back
A relation where each input has exactly one output.
7.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
A method to determine if a graph represents a function by checking if vertical lines intersect the graph more than once.
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