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Decide Whether the Relation Defines a Function {(−5,4),(−2,−8),(−1,8),(7,−2)}\{ ( - 5,4 ) , ( - 2 , - 8 ) , ( - 1,8 ) , ( 7 , - 2 ) \}

question 62

Multiple Choice

Decide whether the relation defines a function.
- {(−5,4) ,(−2,−8) ,(−1,8) ,(7,−2) }\{ ( - 5,4 ) , ( - 2 , - 8 ) , ( - 1,8 ) , ( 7 , - 2 ) \}

Definitions:

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