An object is launched directly in the air at a speed of 144 feet per second from a platform located 12 feet in the air. the motion of the object can be modeled using the function f(t)=−16t2+144t+12, where t is the time in seconds and f(t) is the height of the object. when, in seconds, will the object reach its maximum height? do not include units in your answer.
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Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning
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