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# Algebraic Functions

## Identify functions using coordinate pairs

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Algebraic Functions

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### Vocabulary Language: English

TermDefinition
domain The domain of a function is the set of $x$-values for which the function is defined.
Range The range of a function is the set of $y$ values for which the function is defined.
Vertical Line Test The vertical line test says that if a vertical line drawn anywhere through the graph of a relation intersects the relation in more than one location, then the relation is not a function.