3. A toy is fred its position roc ket Straight up into the air. Let slt) = -6t+72t denote. teet after t in seconds. a) Find b) Find the after t seconds. veločity acceleration the after + seconds. 0) When does the rocket reach its maximum height and find the tangent line height. height at the maxi mum d) What 7s reached by the rocket ? the maximum

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