Question: A rock is projected directly upward from ground level. After t seconds, its height (if air resistance is neglected) is modeled by the function After

A rock is projected directly upward from ground level. After t seconds, its height (if air resistance is neglected) is modeled by the function


f(t)=16t + 256t.


After how many seconds does the rock reach its maximum height, 1024 ft?

f(t)=16t + 256t.

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