• Julie hits a tennis ball over a tree. The ball is 2 feet above the ground when she hits it. The quadratic function that models the height, in feet, of the ball after t seconds is f(t)=-16t^(2)+31t+2. How long does it take for the ball to hit the ground?

  
  

 

Answer rating: 100% (QA)

To find when the ball hits the ground we need to find the value of t when th... View the full answer