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5 votes
Not quite sure how to find out if these are functions or not

Not quite sure how to find out if these are functions or not-example-1
Not quite sure how to find out if these are functions or not-example-1
Not quite sure how to find out if these are functions or not-example-2
User Tatik
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1 Answer

5 votes

number 5 is not and number 7 is a function because every input has exactly one output

User Zakk
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