My agi from last year means what i got back or what i made the whole year

Neither one.

 

Where do I find my AGI?

 

https://ttlc.intuit.com/community/agi/help/how-do-i-find-last-year-s-agi/01/25947

 

Your 2018 tax return shows your 2018 Adjusted Gross Income (AGI) If you filed a joint return then the AGI is the same for each of you.

 

Form 1040        line 7

If you are using the same TT account that you used last year, you should also be able to find this number in your Tax Home for 2018

If entering the amount from your 2018 tax return does not work, then try entering “0” instead.  If that does not work and you still cannot e-file, then print, sign, and mail your tax return.

You can get a free transcript of your past return from the IRS: 

https://www.irs.gov/individuals/get-transcript

I'm not a tax professional.  Adjusted Gross Income (AGI) is NOT what you got back last year.  Look at your 2018 form 1040, line 7.  AGI is the sum of taxable income from wages, interest, dividends, pensions, IRAs, net of profit/loss on securities.  From AGI you get to deductions which leads to taxable income.   Hope this helps.