A ball is thrown from a height of 197 feet with an initial downward velocity of 21 ft/s. The ball's height / (in feet) after / seconds is given by the
following.
h=197-211-161²
How long after the ball is thrown does it hit the ground?
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)
