Posted by Mary Ann on Saturday, June 7, 2014 at 12:01am.
Is the following set a function?
{(3, 4), (1, 2), (4, 9), (6, 15)}
Thank you

Algebra  Steve, Saturday, June 7, 2014 at 12:11am
are there any pairs with the same 1st element?
If not, it is a function.

Algebra  Mary Ann, Saturday, June 7, 2014 at 12:34pm
Thank you Steve for your help and understanding.
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