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iseeu214 iseeu214
  • 07-02-2017
  • Mathematics
Answered

Determine which relation is a function. A. {(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)} B. {(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)} C. {(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)} D. {(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

Verified Answer :

morgeron
morgeron morgeron
  • 17-02-2017

A would be correct because the others fail. If you have the same x value on more than one ordered pair, it is not a function...B (-2,3) and (-2,1)...C (3,5) and (3,2).....and D (-1,1) and (-1,5)

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