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Select all the relations that are functions.

Select all the relations that are functions.-example-1
User DanielRICADO
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2 Answers

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17 votes
All but 2nd to last one should be right I guess
User Zehpunktbarron
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6 votes
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All of them are functions except for C. C would not be a function because the input of 5 has 2 different outputs.
User Havald
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