GenMath - Relations and Functions

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7 Terms

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Relation
A set of ordered pairs (x,y)
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Domain
First coordinate in a relation (x); input; dependent
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Range
Second coordinate in a relation (y); output; dependent
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function
A relation in which element in the domain corresponds to exactly one element of the range.
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Mapping diagram, table of values, graph
Ways of representing functions:
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Graph; vertical line test
No vertical line intersects the graph in more than one point
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One to one, one to many, many to many, many to many
Types of relations: