Determine which relation is a function.

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

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

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

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

Question

28 September, 16:50

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Rachel Hood · Answer 1

The first one because the first numbers don't repeat

Determine which relation is a function.{ (-4, 3), (-2, 3), (-1, 2), (2, 5), (3, 2) }{ (-4, 1), (-2, 3), (-2, 1), (-1, 5), (3, 2) }{ (-4, 1), (-2, 3), (-1, 2), (3, 5), (3, 2) }{ (-4, 1), (-2, 3), (-1, 1), (-1, 5), (3, 2) }