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If an object is projected upward with an initial velocity of 64ft per second from ground level, then its height in feet t seconds after it is projected is a function defined by: h(t)= -16t^2 + 64t. how long after it is projected will it be 48 feet above the ground?

User Neeraj Rathod
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Answer:

not sure

Explanation:

User Gaurav Rawat
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