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{(1, 1), (2, 1), (-2, 1), (-1, 1)} Function or Not a Function?

{(1, 1), (2, 1), (-2, 1), (-1, 1)} Function or Not a Function?
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21 votes
{(1, 1), (2, 1), (-2, 1), (-1, 1)}

Function or Not a Function?

User Aaron Walerstein
by
7.6k points

2 Answers

1 vote
It is a function because no one x is the same.
User LopsemPyier
by
7.9k points
13 votes
Answer: It is a function

Explanation: all the X’s are different
User Rogerdpack
by
9.1k points
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