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Which of the following relations is a function?
A. (7,-10), (-7, 7), (7, 6), (-7, 12)
B. (-7,0), (-1,5), (-7,-3), (4,9)
C. (-7, 2), (-1, 3), (4,7), (7,2)
D. (-1,-2), (-7,-5), (4,8), (4,2)

Respuesta :

SvetkaChem

Answer:

C.

Step-by-step explanation:

C. (-7, 2), (-1, 3), (4,7), (7,2)

The values of x are not repeating, so this is a function, because for every x has only one corresponding value of y.

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