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A ball is thrown from an initial height of 4 feet with an initial upward velocity of 30 ft/s. The ball's height h (in f
h=4+30t-16
Find all values of t for which the ball's height is 17 feet.
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)
initial
height
ground
seconds