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26 February, 02:28

Which relation is a function? { (2, 3), (1, 5), (2, 7) } { (-1, 5), (-2, 6), (-3, 7) } { (11, 9), (11, 5), (9, 3) } { (3, 8), (0, 8), (3, - 2)

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  1. 26 February, 02:36
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    A function will not have any repeating x values ... they all have to be different ... they can have repeating y values, just not repeating x values.

    so ur answer is : { (-1,5), (-2,6), (-3,7) } ... u see how there is no repeating x values ... this is a function ... the other 3 are not.
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