If w'(t) is the rate of growth of a child in pounds per year, what does ¹⁰∫₅ w'(t) dt represent?
A. The net change in the child's weight (in pounds) during his/her first five years of life.
B. The rate of growth of the child (in lbs/year) between the ages of 5 and 10.
C. The net change in the child's weight (in pounds) between the ages of 5 and 10.
D. The rate of growth of the child (in lbs/year) during his/her first five years of life.