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An object travels along the x-axis such that it’s position at time f is given by the function x(t)=-2/t+1. How many times greater is the instantaneous speed of the object at t=7 than the average speed of the object over the interval 1< t < 7? A) 1/24
B) 1/4
C) 4
D) 24

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An object travels along the x-axis such that it’s position at time f is given by the function x(t)=-...

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