The graph of the total profit PDQ {in dollars) from the sale of x cordless electric screwdrivers is shown to the right. (A) Write a brief verbal description ofthe graph ofthe marginal profit function y: P'tx). including a discussion of any X intercepts. {E5} Sketch a possible graph ofy = P'tx). {A} On what intervalfs) is the marginal profit function P'{x) positive\"? Select the correct choice below and, if necessary. fill in the answer box to complete your choice. @A. D {Type your answer using interval notation. Use a comma to separate answers as needed.) 0 B. There is no solution