6. (10 pts) A ball is dropped from a height of 8 meters. Each time it drops h meters, it rebounds 0.7h meters. Find the total distance traveled by the ball. 7. (15 pts) Find a power series for the function, centered at c, and determine the interval of convergence. 3x - 8 f (x) = 3x2+ 5x - 2 ""=0 8. (15 pts) Replace the polar equation with an equivalent Cartesian equation and sketch its graph of r = 5 Cot e CSC 0