Video notes on finding an exponential regression using technology video 1
(If is almost the exact same as the linear regression from the Car and Ramp project; now you will push "0" = ExpReg, instead of "4") 

Video notes on finding an exponential regression using technology video 2 

Video notes on finding an exponential regression using technology video 3

Printable notes on Deriving Exponential Equations using a "TI" Graphing Calculator (these notes are very good)