The graph of the total profit P(x) (in dollars) from the sale of x cordless electric screwdrivers is shown to the right. (A) Write a brief verbal description of the graph of the marginal profit function y = P'(x), including a discussion of any x intercepts. (B) Sketch a possible graph of y = P'(x). 25.000 Ay X -300 200 -45,000 (A) On what interval(s) is the marginal profit function P'(x) positive? Select the correct choice below and, if necessary, fill in the answe to complete your choice. OA. (Type your answer using interval notation. Use a comma to separate answers as needed.)