Chapter 2.1, Problem 89E

Profit. The financial department for the company in Problems $85$ and $87$ established the following cost function for producing and selling $x$ million memory chips:

$C\left(x\right)=125+16x$ million dollars

(a) Write a profit function for producing and selling $x$ million memory chips and indicate its domain.

(b) Complete Table $12$, computing profits to the nearest million dollars.

(c) Plot the points in part (B) and sketch a graph of the profit function using these points.