Which relation is a function?

{ (1,2), (2, 1), (1, 3), (3,1) }

{ (1,2), (3, 4), (5, 6), (1,8) }

{ (0,2), (0, 4), (0, 6), (0,8) }

{ (1,2), (2, 3), (3, 4), (4,5) }

Question

Kathryn Wang

25 February, 10:27

+4

Answers (1)

Know the Answer?

Deven Tyler · Answer 1

Deven Tyler 25 February, 14:23

0

The last one is a function.

Which relation is a function?{ (1,2), (2, 1), (1, 3), (3,1) }{ (1,2), (3, 4), (5, 6), (1,8) } { (0,2), (0, 4), (0, 6), (0,8) }{ (1,2), (2, 3), (3, 4), (4,5) }