K2echeerNedrDarliff K2echeerNedrDarliff

21-03-2017
Mathematics

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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)}?

Respuesta :

Аноним Аноним

23-03-2017

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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