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givi [52]
3 years ago
7

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

Mathematics
1 answer:
tia_tia [17]3 years ago
6 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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