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16 August, 11:00

Which relation is a functiona) { (2.4), (2,-7) (2,11), (2,-15) }

b. { (0,-7), (4,-8), (0,-9,) (6,-10) }

c. { (-1.3), (5,3), (-6,7), (5,0) }

d. { (6.0), (-7,14), (-2,-5), (2.5) }?

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  1. 16 August, 11:33
    0
    D is a function because there are no repeated x values

    for example b is not a function because we have (0,-7) and (0,-9)
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