Mathematics Homework Help

y = − 

where x is the distance in feet that the ball has traveled horizontally.

 h = 3 ft above the ground at an angle of 45° to the horizontal at the speed of 20 ft/s. 

(a) Find the maximum height attained by the ball. (Round your answer to three decimal places.)
  ft

(b) Find the horizontal distance the ball has traveled when it hits the ground. (Round your answer to one decimal place.)
  ft