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Mathematics, 01.12.2020 18:00 zayeboyd4436

Your nephew is standing on his deck, which is 4 feet off the ground. He tosses his toy up into the air at an initial velocity of 7 feet per second. The equation h(t)=-2t^2+7t+4 models the toy’s height h in feet from the ground at t seconds after he threw it. How long is the toy in the air?

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