Chapter 3.07: Rates of Change in the Natural and Social Sciences 3 5 6 Then, choose 4 problems from the rest of the problems in this section, according to your interests. You might choose problems related to your major to increase your depth of understanding. You might choose problems not related to your major, to increase your breadth of understanding. You might do some of both. Or if you have other applied-calculus questions in mind, let me know and together we'll figure out something interesting to do.