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)}
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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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