We found that the marketing research department for the company that manufactures and sells memory chips for microcomputers established the following price-demand and revenue functions: p(x) =85 -3x Price-demand function R(x) =xp(x) =x(85 - 3x) Revenue function where p(x) is the wholesale price in dollars at which x million chips can be sold, and R(x) is in millions of dollars. Both functions have domain 1 x s 17. (A) Which of the following is the graph of the revenue function? O A. B O c. 600- -200- 400 -400- 200- 600- 5 10 15 20 -20-15 -10 -5 (B) Find the output that will produce the maximum revenue. million chips (Type an integer or a fraction. Simplify your answer.)