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Mathematics 9 Online
OpenStudy (kweenlexis):

Is the a function or not? {(2,2),(4,4),(6,6),(8,8)} @Vocaloid How do yo find out if it is or not?

OpenStudy (rachel.frank40):

you want to look at the x values(the first values in the ordered pair) if there are any repeating then they have to have the same y value to be a function. if there are no repeating x values then it is a function

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