Harry owes the bank money. To repay his debt, he paid $150 150 back to the bank each month. After 101010 months, his remaining debt was $6900 6900. What was the original amount of Harry's debt?

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)