1. 3.10 Business and Economic Applications

9. We’ll profit approximately $11.50 more if we sell 51 units. 3.10 Business and Economic Applications

12. LINEAR

13. # of items Price per item 3.10 Business and Economic Applications

14. Profit

15. Revenue 3.10 Business and Economic Applications

17. Demand20,00024,40030,000 Profit$23,800$24,76823,200 Marginal Profit $0.44$0.00-$0.56

18. Profit (in dollars)

19. 3.10 Business and Economic Applications

20. Sub for x in the demand function 3.10 Business and Economic Applications

23. HW 3.10/1,2,5,9,13,15,19,21,23,39 3.10 Business and Economic Applications

24. HW 3.10/1,2,5,9,13,15,19,21,23,39

30. xPriceProfit 10290-2(0.15) 102[90-2(0.15)]-102(60)=3029.40 10490-4(0.15) 104[90-4(0.15)]-104(60)=3057.60 10690-6(0.15) 106[90-6(0.15)]-106(60)=3084.60 10890-8(0.15) 108[90-8(0.15)]-108(60)=3110.40 11090-10(0.15) 110[90-10(0.15)]-110(60)=3135.00 11290-12(0.15) 112[90-12(0.15)]-112(60)=3158.40

31. HW 3.10/1,2,5,9,13,15,19,21,23,39

32. We are back in miles