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Help me with this! Select all the relations that represent a function. (1, 3), (2, 5), (2, 7) (4, 9) (1, 3), (2, 5), (3, 7) (4, 9) (1, 3), (1, 5), (1, 7) (4, 9) (1, 3), (2, 3), (3, 3) (4, 3) (1, 2), (2,
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Help me with this!

Select all the relations that represent a function.
(1, 3), (2, 5), (2, 7) (4, 9)
(1, 3), (2, 5), (3, 7) (4, 9)
(1, 3), (1, 5), (1, 7) (4, 9)
(1, 3), (2, 3), (3, 3) (4, 3)
(1, 2), (2, 5), (2, 1) (4, 5)

User Leesio
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Answer:
Relation #2 and #4

User Kunjee
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