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Which of the following represents a function? (5, 1), (5, 2), (5, 3), (5, 4) (3, 4), (-3, 2), (3, 8), (5, 5) (-1, 2), (-2, 1), (-1, -2), (-2, -1) (2, 3), (4, 3), (-2, -3), (-4, -3)
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22 votes
Which of the following represents a function?

(5, 1), (5, 2), (5, 3), (5, 4)
(3, 4), (-3, 2), (3, 8), (5, 5)
(-1, 2), (-2, 1), (-1, -2), (-2, -1)
(2, 3), (4, 3), (-2, -3), (-4, -3)

User Emporerblk
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1 Answer

5 votes
The fourth one since it will pass the vertical test.
User Hultner
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