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OpenStudy (anonymous):
The position of a particle moving along a line is given by s(t) = 2t^3 - 24t^2 + 90t + 7 for t ≥ 0. For what values of t is the speed of the particle increasing? Answers: (A) 3 < t < 4 (B) t >4 only (C) t >5 only (D) 0 < t < 3 and t > 5 (E) 3 < t < 4 and t > 5 Please help!!!!
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