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14 August, 17:31

Which set of ordered pairs is a function?

[ (-5, 1), (-3, 2), (-1, 3) (1, 4), (3, 5) or

[ (-2, 1), (-4, 2), (0,3), (4, 1), (-2,5) ]

[ (-1, 5), (-1,4), (-1, 3), (-1, 2) (-1, 1) ]

[ (-6, - 4), (-4, - 2), (0, 0), (-4, 2) (-6, 4) ]

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  1. 14 August, 17:38
    0
    Functions can't have multiple y values have the same x value.

    [ (-5, 1), (-3, 2), (-1, 3) (1, 4), (3, 5) ] * * No repeating x-values.

    [ (-2, 1), (-4, 2), (0,3), (4, 1), (-2,5) ]

    [ (-1, 5), (-1,4), (-1, 3), (-1, 2) (-1, 1) ]

    [ (-6, - 4), (-4, - 2), (0, 0), (-4, 2) (-6, 4) ]

    Answer:

    [ (-5, 1), (-3, 2), (-1, 3) (1, 4), (3, 5) ]
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