Question
{(2,9), (2,8), (-3,7), (-3,6)} is what type of relation?
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Answer (56)
OK, the relation. (2,9), (2,8), (-3,7) (-3,6)
Since 2 maps to two values, as does -3, this relation is not a function.
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By the way these points, in this slightly different order,
(2,9), (2,8), (-3,7) (-3,6)
are the vertices of a parallelogram.
