Which set of ordered pairs does NOT represent a function?

A. {(-9, -3), (-4, -2), (-1, -1), (-1, 1)}

B. The set of the ordered pairs eight comma negative three, five comma negative one, two comma one, and negative one comma three.

C. The set of the ordered pairs thirty-three comma twenty-two, twenty-two comma eleven, eleven comma zero, and negative eleven comma negative twenty-two.

D. The set of the ordered pairs fifteen comma five, twenty comma four, twenty-five comma three, and thirty comma two.

functions will not have any repeating x values...they can have repeating y values, just not the x ones. However, u r looking for the ones that are not a function...so u r looking for the ones that have repeating x values.

A. this is not a function because it has repeating x values of -1.
B. this is a function
C. this is a function
D. this is a function

so the only one that is not a function is A. <== ur answer

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