SOLUTION: Determine whether the relation is a function. (2,2), (5,-2),(7,-4), (10,-2)
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Question 528826: Determine whether the relation is a function. (2,2), (5,-2),(7,-4), (10,-2)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
See if any of the 
-coordinates in any of the ordered pairs are equal. If you have any pair of ordered pairs such that the -coordinates are equal but the 
-coordinates are not equal, then the relation is NOT a function. Otherwise, it is a function.
John
My calculator said it, I believe it, that settles it
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