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Rates of Change Problem 2 User Settings G rades Problem 1 X Problem 2 Problem 3 Problem 4 Previous Problem Results for this submission Next Problo'n Entered Answer Preview Result Message [0.1) U (7,infinity) [0,1) U (7, co) correct (1 ,7) (1, 7) correct (1,4) u (7,infinity) (1, 4) U (7, co) correct (0,1) U (4,7) (0, 1) U (4, 7) 50% correct Your first interval or set is incorrect At least one of the answers above is NOT correct. While time t 2 0 a particle moves along a straight line. lts position at time t is given by where 3 is measured in feet and t in seconds. 8(t) = 29 241:2 + 42, t3!) (A) Use interval notation to indicate the time interval or union of time intervals when the particle is moving forward and backward. ("Speeding up" and "slowing down" refer to changes in speed, the absolute value of velocity.) Note: You can earn partial credit on this problem. Preview M y Answers Submit Answers Your score was recorded.Your score was not successfully sent to the LMS. You have attempted this problem 7 times. You received a score of 88% for this attempt. Your overall recorded score is 88%