Question

The brain weight of a fetus can be estimated using the total weight of the fetus by the function b=.22w^.87 where w is the weight of the fetus (in g) and b is the brain weight (in g). Suppose the brain weight of a 25g fetus is changing at a rate of .25 g/day. Use this to estimate the rate of change of the total weight of the fetus dw/dt

Answer 1

Based on the number, i think it is safe to assume that the estimation of the rate of change of the total weight of the fetus would be :
about 1.9

hope this helps