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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
asked 115k views
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
asked
User Tatik
by
8.6k points

1 Answer

5 votes

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

answered
User Zakk
by
7.8k points
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