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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