Is this a function or not a function?

Emadpres asked Mar 17, 2023

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37 votes

Emadpres asked Mar 17, 2023

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25 votes

keeping in mind that a function does not have any X-Repeats, that is, the 1st coordinate in every pair never repeats, Check the picture below.

Deunz answered Mar 23, 2023

by Deunz

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