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OpenStudy (anonymous):

is the relation a function? if so please explain. {(3,1), (5,3), (7,7), (3,5)}

OpenStudy (anonymous):

no

OpenStudy (anonymous):

Because you have two different y values for the x value 3 ie (3,1) and (3,5)

OpenStudy (anonymous):

You need to check if there is one output for every input. x is the input, y is the output (x,y).

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