Mathematics, 12.02.2021 01:00, ondray3435

Fireworks are set off from a hill 80 feet above the Mississippi. The outer shells will fall after exploding at its maximum height. The firework's height
about the surface of the river is given by the function h(t) = -16t^2 +64t +
80. After how many seconds from launch will the outer shell hit the
surface? *

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Fireworks are set off from a hill 80 feet above the Mississippi. The outer shells will fall after e...