4. Using the area idea, determine the values of lim 2-1(20) 4x, on [1,3]. 5. A...

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4. Using the area idea, determine the values of lim 2-1(20) 4x, on [1,3]. 5. A robot has been programmed so that when it starts to move, its velocity after t seconds will be 3t feet/second. a) How far will the robot travel during its first 4 seconds of movement? b) How far will the robot move between t = 1 second and t = 5 seconds? c) How many seconds before the robot is 343 feet from its starting place? 4. Using the area idea, determine the values of lim 2-1(20) 4x, on [1,3]. 5. A robot has been programmed so that when it starts to move, its velocity after t seconds will be 3t feet/second. a) How far will the robot travel during its first 4 seconds of movement? b) How far will the robot move between t = 1 second and t = 5 seconds? c) How many seconds before the robot is 343 feet from its starting place?