Functions/Relations Amnesty
Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function in mathematics?
Back
A function is a relation that assigns exactly one output (y-value) for each input (x-value).
2.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain is the set of all possible input values (x-values) for a function.
3.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range is the set of all possible output values (y-values) for a function.
4.
FLASHCARD QUESTION
Front
How can you determine if a set of ordered pairs represents a function?
Back
A set of ordered pairs represents a function if no two pairs have the same x-value.
5.
FLASHCARD QUESTION
Front
What does it mean if a function has a repeated x-value?
Back
If a function has a repeated x-value, it means that the relation is not a function, as it would assign multiple outputs to the same input.
6.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
An example of a function is the set of ordered pairs (1,2), (2,3), (3,4).
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 the set of ordered pairs (1,2), (1,3).
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