What is a Relation in mathematics?
Relations and Functions

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A relation is a set of ordered pairs, where each pair consists of an input (x) and an output (y).
2.
FLASHCARD QUESTION
Front
What is a Function?
Back
A function is a special type of relation where each input (x) is associated with exactly one output (y).
3.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function?
Back
A relation is a function if no two ordered pairs have the same first element (x-value) with different second elements (y-values).
4.
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.
5.
FLASHCARD QUESTION
Front
What is the Range of a function?
Back
The range is the set of all possible output values (y-values) that a function can produce.
6.
FLASHCARD QUESTION
Front
Identify the Domain: f(x) = 1/(x-2)
Back
The domain is all real numbers except x = 2.
7.
FLASHCARD QUESTION
Front
Identify the Range: f(x) = x^2
Back
The range is all real numbers greater than or equal to 0, or [0, ∞).
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