10. The formula for the volume of a cone is V = rh. Find the rate of change of the
volume if dr/dt is 2 inches per minute and h = 3r when r = 6 inches .
11. A ball is tossed into the air from a bridge and its height y (in feet) above the ground, t
seconds after it is thrown is given by
a ________ How high above the ground is the bridge
b ________ What is the velocity of the ball after 1 second
c. _______ What is the acceleration after 1 second.
d. ________ Using the graph to estimate the maximum height of the ball