Question

You began membership in a new health and fitness club which has access to a dietician and personal trainer. They help you develop a special eight-week diet and exercise program. The data in the following table represents your weight, w, as a function of time, t, over an eight-week period.
Time (weeks) 0


1

2
3

4

5
6
7
8




Weight (lb)


150


144


143


141


140


137


137


132


129


















If you lost 13 pounds in the first five weeks, what is the average rate of change of weight with respect to time over the first five weeks of the program?


a. +0.38 pounds per week

b. -0.38 pounds per week


c. +2.6 pounds per week


d. -2.6 pounds per week

Answer 1

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