Function Vs Relation
Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation in which each input (or domain element) is associated with exactly one output (or range element).
2.
FLASHCARD QUESTION
Front
What is a relation?
Back
A relation is a set of ordered pairs, which may associate multiple outputs with a single input.
3.
FLASHCARD QUESTION
Front
What is the domain of a relation?
Back
The domain of a relation is the set of all first elements (inputs) from the ordered pairs.
4.
FLASHCARD QUESTION
Front
What is the range of a relation?
Back
The range of a relation is the set of all second elements (outputs) from the ordered pairs.
5.
FLASHCARD QUESTION
Front
How can you determine if a set of ordered pairs is a function?
Back
A set of ordered pairs is a function if no two pairs have the same first element with different second elements.
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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