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{(1, 2), (2, 3), (3, 4), (4, 5)} is this a function and why?

{(1, 2), (2, 3), (3, 4), (4, 5)} is this a function and why?
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{(1, 2), (2, 3), (3, 4), (4, 5)} is this a function and why?

User User Rebo
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2 Answers

5 votes
This is a function. Each x value corresponds to exactly one y value. ( x's did not repeat)
User Kakarot
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5 votes
It is a function because the x does not repeat
User Hunter Lester
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7.8k points
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