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Please answer the question in the image below. 

Bikers A and B are traveling on perpendicular roads. At the same time, biker A is leaving the intersection at rate of 1.5 feet per second and biker B is leaving the intersection at
rate of 2 feet per second. How fast is the distance, in feet per second, between them changing after 6 seconds?
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Bikers A and B are traveling on perpendicular roads. At the same time, biker A is leaving the intersection at rate of 1.5 feet per second and biker B is leaving the intersection at rate of 2 feet per second. How fast is the distance, in feet per second, between them changing after 6 seconds?

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Applications of Derivative

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