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Mathematics 16 Online
OpenStudy (anonymous):

is the relation a function? explain (-5,-5),(3,10),(7,14),(3,9)

OpenStudy (breanneh):

No. Look at the 2nd and 4th x-values. They are both 3, and the y-values are different. Therefore these coordinate points cannot make up a function, because each x-value can only have one y-value. http://answers.yahoo.com/question/index?qid=20100429130846AAG5dPa

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