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Mathematics 24 Online
OpenStudy (anonymous):

a car is traveling on a straight road with velocity 55 ft/sec at time t=0. for 0<=t<=18 sec, the cars acceleration a(t), in ft/sec^2, is the piecewise linear function defined by the graph above. is the velocity of the car increasing at t=2 sec? why or why not? please help and show steps!

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