What is a relation in mathematics?
A.F.1a: Relation is function or Not function

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Mathematics
•
9th - 12th 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-value) and an output (y-value).
2.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a special type of relation where each input (x-value) is associated with exactly one output (y-value).
3.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function?
Back
A relation is a function if no x-value is repeated in the ordered pairs.
4.
FLASHCARD QUESTION
Front
What is the domain of a relation?
Back
The domain is the set of all possible input values (x-values) for the relation.
5.
FLASHCARD QUESTION
Front
What is the range of a relation?
Back
The range is the set of all possible output values (y-values) for the relation.
6.
FLASHCARD QUESTION
Front
What does it mean for a graph to represent a function?
Back
A graph represents a function if any vertical line drawn through the graph intersects it at most once (Vertical Line Test).
7.
FLASHCARD QUESTION
Front
Identify the relation that is NOT a function: {(1,-5), (3,1), (-5,4), (4,-2)}, {(2,7), (3,7), (4,7), (5,8)}, {(1,-5), (-1,6), (1,5), (6,-3)}, {(3,-2), (5,-6), (7,7), (8,8)}
Back
{(1,-5), (-1,6), (1,5), (6,-3)}
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