Increasing, decreasing, and concavity: The graph in Figure 1.72 on the following page shows a population N = N (d ), where d is the date. a. Is the function increasing, decreasing, or neither for d...

Increasing, decreasing, and concavity: The graph in Figure 1.72 on the following page shows a population N = N (d ), where d is the date.

a. Is the function increasing, decreasing, or neither for d from 1998 to 2008?

b. When is the function concave down, and when is it concave up?

c. At what date is there an inflection point?