Question 1 has 2 parts. Please circle answers.

Question1

Part 1

The graph of the total profit P(x) (in dollars) from the sale of x cordless electric screwdrivers is shown to the right. 35.909 IT (A) Write a brief verbal description of the graph of the marginal profit function y = P'(x), including a discussion of 30 00 any x intercepts (B) Sketch a possible graph of y = P'(x). -65 006 (A) On what interval(s) 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 O A. (Type your answer using interval notation. Use a comma to separate answers as needed.) O B. There is no solution. On what interval(s) is the marginal profit function P'(x) negative? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. (Type your answer using interval notation. Use a comma to separate answers as needed.) O B. There is no solution.f(x) is continuous on ( - oo,co). Use the given information to sketch the graph of f. f (x) + + + 0 - - 0 - 6 X 9.4 6 - 3 6 9.4 f (x) - - - f(X ) 0 18 5 0 -3.6 - 4.9 Choose the correct graph of f below. OA. OB O C. ( D