Mathematics, 06.05.2021 16:40 Redeyestudio53

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=-2t^2+7t+4 models the toy's height h in feet from the ground at t seconds after he threw it. how high is the toy after 1 second?
what is the toy's maximum height?
how long is the toy in the air?

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