which relation is a function A.(2,3),(1,5),(2,7)B.(-1,5),(-2,6),(-3,7)C.(11,9),(11,5),(9,3)D.(3,8),(0,8),(3,-2)

Zhanxw asked Jan 2, 2023

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Zhanxw asked Jan 2, 2023

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22 votes

A function can only have one out put value (y) for every input value (x).

A. (2,3) (2,7)

input value 2 has 2 different output values (3 and 7)

It's not a function.

Same case for C and D.

Correct option . B-

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