Mathematics, 12.05.2021 22:50 jflandersneongr

The function f (t) = -10t^2 – 20t + 150 models the approximate height of an object t seconds after it is launched. How many seconds does it take for the object to
hit the ground?

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The function f (t) = -10t^2 – 20t + 150 models the approximate height of an object t seconds after...