Question 1171042:  Determine whether the following set of ordered pairs is a function. Justify your answer.
 
{(9, 3), (2, -2), (-4, 7), (-4, 5)} 
 Found 2 solutions by  josgarithmetic, MathLover1: Answer by josgarithmetic(39630)      (Show Source):  Answer by MathLover1(20850)      (Show Source): 
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{( ,  ), ( ,  ), ( ,  ), ( , )}
 
domain: {  , ,  } 
range: {  , , ,  } => not a function,   has two different outlets (pairs ( ,  ), ( , )) 
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