Question 141237
x 4 -3 0 -3 2 3 
y 7 -5 2 -1 5 -2 
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Does each different x-value have only one y-value?
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No because x=-3 has a y-value of -5 and x=-3 has a y-value of -1
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So the set of ordered pairs is not a function.
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Cheers,
Stan H.