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Which set of ordered pairs is not a function? A) (2, 3), (4,9), (3, 8), (4, 15) B) (-9, 4), (-6, 3), (-2, 8), (0, 21) C) (1, 2), (3,5), (6,9), (7, 11)

User Zerologiko
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The condition for a relation to be a function is that for each of the points in the domain there is one and only one image value.

That is, if x is the independent variable and y is the image, we can not have more or less than one value of y for each value of x in the domain.

Then, if we find that one vlaue of x has

User DancesWithBamboo
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