Sorry about that Leroy. The statement of claiming 3 dependents pertains to the Earned Income Credit. The maximum amount for this credit allows up to 3 qualifying children this year (2 was the maximum number in previous years).
I don't discuss AGI and taxable income with most folks because they don't understand it. I got in an argument with a female that said babies give you a larger Earned Income Credit (she took a rinky dink HR Block class...BOOOOO). I tried to explain to her that a qualifying child is a qualifying child, as long as the child is under 17 there's no difference. I think she was confusing it with the Credit for Childcare and Dependant Care Expenses (but the age limit there is still 12 and under to qualify). I don't know if the medical expenses for having a child are a write-off but that would be useful in reducing your taxable income. She was still wrong though
I'm no expert by any means... I don't do this for a living but I like to know how these things work. I don't like 'Magic Box' type programs and software unless I have a general understanding of the formulas and rules that govern them. I see some of these tax preparer outfits as 5 year olds using calculators but don't know how to add or subtract. If they make an error they would be completely oblivious to it if the software didn't have flags and error checking in place.