SOLUTION: which relation is not a function? {(1,-5),(2,-4),(1,-4)} {(1,-5),(2,-4),(3,-3)} {(1,-5),(2,-4),(3,2)} {(1,-5),(2,-4),(3,-4)}

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Question 722850: which relation is not a function?
{(1,-5),(2,-4),(1,-4)}
{(1,-5),(2,-4),(3,-3)}
{(1,-5),(2,-4),(3,2)}
{(1,-5),(2,-4),(3,-4)}

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
which relation is not a function?
{(1,-5),(2,-4),(1,-4)}
{(1,-5),(2,-4),(3,-3)}
{(1,-5),(2,-4),(3,2)}
{(1,-5),(2,-4),(3,-4)}
***
In a function, each x-value can only have one particular y-value.
The first set of ordered pairs violates this definition of a function.

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