What is the definition of a function?
Is it a function?

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•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function is a relation where every input has only ONE output.
2.
FLASHCARD QUESTION
Front
What does it mean for a graph to pass the vertical line test?
Back
A graph passes the vertical line test if no vertical line intersects the graph at more than one point, indicating that it is a function.
3.
FLASHCARD QUESTION
Front
What is the vertical line test used for?
Back
The vertical line test is used to determine if a graph represents a function.
4.
FLASHCARD QUESTION
Front
What is the horizontal line test?
Back
The horizontal line test determines if a function is one-to-one, meaning each output is produced by only one input.
5.
FLASHCARD QUESTION
Front
What does it mean if a graph does not pass the vertical line test?
Back
If a graph does not pass the vertical line test, it means that there are at least two different inputs that produce the same output, indicating it is not a function.
6.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
An example of a function is y = 2x + 3, where each x-value has a unique y-value.
7.
FLASHCARD QUESTION
Front
What is an example of a relation that is not a function?
Back
An example of a relation that is not a function is y^2 = x, where each x-value can correspond to two different y-values.
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