I need these done as quick as possible and i have no clue what to do.

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!

How do i simply this radical expression?