3. A ball is thrown across a playing field from an initial height of 3 feet, at an angle of elevation of 45 from the horizontal at the speed of 20 feet per second. According to the principles of physics, the height of the ball h (in feet) is determined by the horizontal distance x (in feet) that it has traveled. h(x) = - xz + x+3 a) What maximum height does the ball reach? Find the maximum height algebraically. b) What is the horizontal distance traveled when the ball hits the ground? Give an exact value