Mathematics
Dung103
2016-09-23 18:03:09
Which of the following relations is a function? { (2, 6), (3, 9), (4, 2), (3, 6) } { (2, 8), (3, 6), (2, 4), (0, 2) } { (3, -2), (4, 7), (-2, 5), (-4, 5) } { (4, 7), (-2, 5), (1, 3), (-2, 1) }
ANSWERS
sophiestrasser
2016-09-23 23:44:56

from my work I believe it should be the third one. 

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