Question Help An observation deck extends 457 feet out above a valley. The deck sits 407 feet above the valley floor. If an object is dropped from the observation deck, its heighth
in feet, after t seconds, is given by h = -1662 +407. How long will it take for the object to be 7 feet above the valley floor?
It will take seconds for the object to be 7 feet above the valley floor.
(Type an integer or a decimal.)