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Is this a function or not because there’s a vertical line but the plots also go above each other .

Is this a function or not because there’s a vertical line but the plots also go above-example-1
User Fangio
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1 Answer

12 votes

Answer:

not a function because it doesn't pass the vertical line test

Explanation:

even though they have different y coordinates they still don't pass the test

User Erik Terwan
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