A ball is thrown from an initial height of 6 feet with an initial upward velocity of 40 ft/s. The ball's heighth (in feet) after ! seconds is given by the following.
h 6+401 - 1612
Find all values of for which the ball's height is 28 feet.
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)
seconds
or
initial
height
Х
5
?
ground