Relations and Functions

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Algebra

8th

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10 Terms

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Relation
Set of ordered pairs
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Function
Relation in which each input is assigned to exactly one output
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Domain
Set of inputs
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Range
Set of outputs
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Continuous function
When domain includes all real numbers
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Discrete function
When domain includes just whole numbers or integers
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One – to – one function
If no two elements of the domain map to the same element in the range
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Maps
Moves
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translation
Shifts each point of the graph of a function the same distances (up, down, left, right)
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Transformation
Maps each point of its graph to a new location