tes Bar folder. Or import from another browser. Import favorites A music store sells an average of 160 CDs per week at $24 each. The cost of producing x music CDs is Clc)--0.003 +4.2x+ 1000. A market survey indicates that for each 50p decrease in price, two additional CDs will be sold per week. a) Determine the demand, or price, function. (7 marks) b) What is the price of each CD when 170 are sold weekly and 11. when 200 are sold weekly? (3 marks) Determine the revenue function. (2 marks) c) Which of the following results in greater revenue: the sale of 170 CDs or the sale of 200 CDs? Justify your answer (3 marks) d) e) Determine the profit function. (2 marks) Copyrght 2009 The Ontano Educational Communeatons Authority Ai nghts isserved www.ile.ang Lesson 5, page 25 Mathematics for College Technology MCT4C-B D Which of the following results in a greater profit: the sale of 170 CDs or the sale of 200 CDs? Justify your answer (3 marks) g) Explain the results in part D. (2 marks) @ . acer PrtScPaus SysRo /6 F7 F8 F9,F10 F11 FRMkbe