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Volgvan
3 years ago
5

WILL MARK BRAINYIEST!!!

Mathematics
2 answers:
vladimir1956 [14]3 years ago
6 0
This relationship is not a function because -7 has 2 outputs(2 and 15).
In a function, each input has to have exactly one output.
Sergeeva-Olga [200]3 years ago
5 0
This is not a function because functions cant have 2 point that share an x value(having two outputs) . -7 is used twice.
I believe this is called the vertical line theory
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