A turtle was swimming 2 feet below the surface of a pond. While looking for food, he went down 7 more feet. What is the position of the turtle now relative to the surface of the pond?

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)