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17. If the position (m) of a person is given as x(t) = -4t + 16t answer the question below. Make sure you show

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17. If the position (m) of a person is given as x(t) = -4t + 16t answer the question below. Make sure you show all work and include correct units (a) (5 points) What is the position of the person at t = 2s? (b) (5 points) Determine an expression for the velocity as a function of time. (c) (5 points) At what time does the person stop? (d) (5 points) What is the acceleration of the person?

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