Mathematics, 07.12.2020 08:00 Uc34758

A rock is thrown from the side of a ledge. The height (in feet), x seconds after the toss is modeled by: h(x) = -3(x-4)^2+79 How many seconds pass before the rock lands on the ground? Round your answer to the nearest tenths place.

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A rock is thrown from the side of a ledge. The height (in feet), x seconds after the toss is modeled...