Respuesta :

Akifctg05

Yes, because every Domain or x value has a different Range or y value.

The domain (x) cannot have the same number twice. If it is, it is not a function.

Example.  x- 3, 4, 5, 5, 6

                 y- 7, 8, 9, 10

This example (above) is not a function.

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