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Is {(1,9), (-3,4), (1, -7)} a function?

Is {(1,9), (-3,4), (1, -7)} a function?
asked 62.2k views
5 votes
Is {(1,9), (-3,4), (1, -7)} a function?

asked
User Yarin Miran
by
8.6k points

1 Answer

1 vote
No. Because it repeats 1(aka the domain) twice. When there is two same x values than isn’t a function.
answered
User Joe Landsman
by
8.3k points
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