Chapter 1.1, Problem 51E

Net Income: Casual Apparel In the following graph, $n\left(t\right)$ is Abercrombie & Fitch’s approximate net income, in millions of dollars, for the year ending at time t $\left(t\text{ is time in years since December 2004}\right){:}^{10}$

a. Estimate $n\left(2\right),n\left(4\right)$, and $n\left(4.5\right)$ to the nearest 25. Interpret your answers.

b. At approximately which value of t in the interval $\left[3,8\right]$ is $n\left(t\right)$ increasingmost rapidly? Interpret your answer.

c. At approximately which value of t in the interval $\left[3,8\right]$ is $n\left(t\right)$ decreasing most rapidly? Interpret your answer.