Solve the problem.The median weight, w, of a girl between the ages of 0 and 36 months can be approximated by the function w(t) = 0.0006t3 - 0.0484t2 + 1.61t + 7.60,where t is measured in months and w is measured in pounds. For a girl of median weight, find the rate of change of weight with respect to time at age 20 months.
A. 1.362 lb/mo
B. 0.394 lb/mo
C. 0.882 lb/mo
D. 0.086 lb/mo
Answer: B
Mathematics
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