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Which of the following represents a relation that is NOT a function? A. X 7 -5 10 -7 Y 34 32 40 34 B. X -7 -5 -7 2 Y 34 32 40 34 C. X -7 -5 -1 2 Y 34 32 40 34 D. X -7 -5 7 10 Y 34 32 40 34

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sqdancefan
The x-value of -7 shows up more than once in relation ...
  B. X -7 -5 -7 2 Y 34 32 40 34

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When there is more than one y-value for an x-value, the relation is NOT a function.

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