A constant volume of cookie dough is formed into a cylinder with a relatively small height and large radius When the cookie dough is placed into the oven the height of the doug the radius increases but it retains its cylindrical shape At time t the height of the dough is 10 mm the radius of the dough is 16 mm and the radius of the dough is increasing a per minute Part A At time t at what rate is the area of the circular surface of the cookie dough increasing with respect to time 5 points Part B At time t at what rate is the height of the dough decreasing with respect to time 5 points