Mathematics, 20.11.2019 20:31, rodriguezbrian050702

An object is dropped from a hot-air balloon 1296 feet above the ground. the height of the object is given by h=-16(t-9)(t+9) where the height h is measured in feet, and the time t is measured in seconds. after how many seconds will the object hit the ground?

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An object is dropped from a hot-air balloon 1296 feet above the ground. the height of the object is...