Solve the problem.If an object is thrown upward with an initial velocity of 
, its height after t sec is given by 
. Find the maximum height attained by the object. (The object will attain maximum height exactly at the halfway point in terms of the time t, where t = 0 is at the beginning of the object's flight, and the final time is when the object hits the ground.)
A. 112 ft
B. 240 ft
C. 256 ft
D. 128 ft
Answer: C
Mathematics
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