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Which of the following relations is a function? A. {(2, 2), (3, 3), (4, 4), (5, 5)} B. {(2, 1), (2, 3), (3, 6), (3, 7)} C. {(3, 5), (4, 9), (4, 11), (5, 14)} D. {(4, 8), (6, 6), (8, 4), (8, 2)}

Respuesta :

For something to be a function, one input(x value) can only have ONE output(y value).

If an input has more than one output, it is not a function.


A.) This is a function because each input has only one output


B.) This is not a function because 2 and 3 have two outputs


C.) This is not a function because 4 has two outputs


D.) This is not a function because 8 has two outputs

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