Identify Functions

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation where each input (x-value) is associated with exactly one output (y-value).
2.
FLASHCARD QUESTION
Front
What does it mean if a relation is 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
Is the relation (1,5), (1,6), (1,7), (1,8), (1,9) a function?
Back
Not a function, because the input '1' is associated with multiple outputs.
4.
FLASHCARD QUESTION
Front
Is the relation (6,-5), (7,-3), (8,-1), (9,1) a function?
Back
Function, because each input is associated with exactly one output.
5.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function using a graph?
Back
A relation is a function if any vertical line drawn on the graph intersects the curve at most once (Vertical Line Test).
6.
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 by checking if a vertical line crosses the graph more than once.
7.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
An example of a function is the relation (2,3), (3,4), (4,5), where each input has a unique output.
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