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27 April, 19:06

Which of the following relations is a function? A.{ (0,2), (1,2), (2,2), (3,2) } B.{ (2,0), (2,1), (2,2), (2,3) } C.{ (3,5), (4,7), (5,9), (5,11) } D. { (4,5), (6,7), (8,9), (8,11) }

sorry chose history instead of math

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  1. 27 April, 21:40
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    A.

    When the x not repeated that's function

    The x mean the first number
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