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Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
Publisher: Cengage Learning
ISBN: 9781305108042
BuyFind

Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
Publisher: Cengage Learning
ISBN: 9781305108042

Solutions

Chapter
Section
Chapter 10.1, Problem 27E
Textbook Problem

For each function in Problems 25-30, find the relative maxima, relative minima, and horizontal points of inflection; then sketch the graph. Check your graph with a graphing utility.

y = 1 3 x 3 + x 2 24 x + 20

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Chapter 10 Solutions

Mathematical Applications for the Management, Life, and Social Sciences
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Ch. 10.1 - In Problems 7-10, (a) find the critical values of...Ch. 10.1 - In Problems 7-10, (a) find the critical values of...Ch. 10.1 - In Problems 7-10, (a) find the critical values of...Ch. 10.1 - In Problems 7-10, (a) find the critical values of...Ch. 10.1 - For each function and graph in Problems 11-14 (a)...Ch. 10.1 - For each function and graph in Problems 11-14 (a)...Ch. 10.1 - For each function and graph in Problems 11-14 (a)...Ch. 10.1 - For each function and graph in Problems 11-14 (a)...Ch. 10.1 - For each function in Problems 15-20 (a) find (b)...Ch. 10.1 - For each function in Problems 15-20 (a) find (b)...Ch. 10.1 - For each function in Problems 15-20 (a) find (b)...Ch. 10.1 - For each function in Problems 15-20 (a) find (b)...Ch. 10.1 - For each function in Problems 15-20 (a) find (b)...Ch. 10.1 - For each function in Problems 15-20 (a) find (b)...Ch. 10.1 - For each function and graph in Problems 21-24 (a)...Ch. 10.1 - For each function and graph in Problems 21-24 (a)...Ch. 10.1 - For each function and graph in Problems 21-24 (a)...Ch. 10.1 - For each function and graph in Problems 21-24 (a)...Ch. 10.1 - For each function in Problems 25-30, find the...Ch. 10.1 - For each function in Problems 25-30, find the...Ch. 10.1 - For each function in Problems 25-30, find the...Ch. 10.1 - For each function in Problems 25-30, find the...Ch. 10.1 - For each function in Problems 25-30, find the...Ch. 10.1 - For each function in Problems 25-30, find the...Ch. 10.1 - In Problems 31-36, both a function and its...Ch. 10.1 - In Problems 31-36, both a function and its...Ch. 10.1 - In Problems 31-36, both a function and its...Ch. 10.1 - In Problems 31-36, both a function and its...Ch. 10.1 - In Problems 31-36, both a function and its...Ch. 10.1 - In Problems 31-36, both a function and its...Ch. 10.1 - In Problems 37-42, use the derivative to locate...Ch. 10.1 - In Problems 37-42, use the derivative to locate...Ch. 10.1 - In Problems 37-42, use the derivative to locate...Ch. 10.1 - In Problems 37-42, use the derivative to locate...Ch. 10.1 - In Problems 37-42, use the derivative to locate...Ch. 10.1 - In Problems 37-42, use the derivative to locate...Ch. 10.1 - In each of Problems 43-46, a graph of is given....Ch. 10.1 - In each of Problems 43-46, a graph of is given....Ch. 10.1 - In each of Problems 43-46, a graph of is given....Ch. 10.1 - In each of Problems 43-46, a graph of is given....Ch. 10.1 - In Problems 47 and 48, two graphs are given. One...Ch. 10.1 - In Problems 47 and 48, two graphs are given. One...Ch. 10.1 - 49. Advertising and sales Suppose that the daily...Ch. 10.1 - 50. Pricing and sales Suppose that a chain of auto...Ch. 10.1 - 51. Productivity A time study showed that, on...Ch. 10.1 - 52. Production Analysis of daily output of a...Ch. 10.1 - 53. Production costs Suppose that the average...Ch. 10.1 - 54. Average costs Suppose the average costs of a...Ch. 10.1 - 55. Marginal revenue Suppose the weekly marginal...Ch. 10.1 - 56. Earnings Suppose that the rate of change of...Ch. 10.1 - 57. Revenue The weekly revenue of a certain...Ch. 10.1 - 58. Medication Suppose that the concentration C of...Ch. 10.1 - 59. Candidate recognition Suppose that the...Ch. 10.1 - 60. Medication The number of milligrams x of a...Ch. 10.1 - 61. Worldwide cell phone subscriberships In 2013,...Ch. 10.1 - 62. Economic dependency ratio The economic...Ch. 10.1 - 63. Modeling China’s labor pool The following...Ch. 10.1 - 64. Modeling Energy from crude oil The table shows...Ch. 10.1 - 65. Modeling Employment in manufacturing The table...Ch. 10.2 - 1. If then is concave__________. Ch. 10.2 - 2. At what value of x does the graph have a point...Ch. 10.2 - 3. On the graph below, locate any points of...Ch. 10.2 - 4. Determine whether the following is true or...Ch. 10.2 - In Problems 1-4, determine whether each function...Ch. 10.2 - In Problems 1-4, determine whether each function...Ch. 10.2 - In Problems 5-10, use the indicated x-values on...Ch. 10.2 - In Problems 5-10, use the indicated x-values on...Ch. 10.2 - In Problems 5-10, use the indicated x-values on...Ch. 10.2 - In Problems 5-10, use the indicated x-values on...Ch. 10.2 - In Problems 5-10, use the indicated x-values on...Ch. 10.2 - In Problems 5-10, use the indicated x-values on...Ch. 10.2 - In Problems 11-14, a function and its graph are...Ch. 10.2 - In Problems 11-14, a function and its graph are...Ch. 10.2 - In Problems 11-14, a function and its graph are...Ch. 10.2 - In Problems 11-14, a function and its graph are...Ch. 10.2 - Find the relative maxima, relative minima, and...Ch. 10.2 - Find the relative maxima, relative minima, and...Ch. 10.2 - Find the relative maxima, relative minima, and...Ch. 10.2 - Find the relative maxima, relative minima, and...Ch. 10.2 - Find the relative maxima, relative minima, and...Ch. 10.2 - Find the relative maxima, relative minima, and...Ch. 10.2 - In Problems 21-24, a function and its first and...Ch. 10.2 - In Problems 21-24, a function and its first and...Ch. 10.2 - In Problems 21-24, a function and its first and...Ch. 10.2 - In Problems 21-24, a function and its first and...Ch. 10.2 - In Problems 25 and 26, a function and its graph...Ch. 10.2 - In Problems 25 and 26, a function and its graph...Ch. 10.2 - In Problems 27 and 28, and its graph are given....Ch. 10.2 - In Problems 27 and 28, and its graph are given....Ch. 10.2 - In Problems 29 and 30, use the graph shown in the...Ch. 10.2 - In Problems 29 and 30, use the graph shown in the...Ch. 10.2 - In Problems 31 and 32, a graph is given. Tell...Ch. 10.2 - In Problems 31 and 32, a graph is given. Tell...Ch. 10.2 - 33. Productivity—diminishing returns The figure is...Ch. 10.2 - 34. Population growth The figure shows the growth...Ch. 10.2 - 35. Advertising and sales The figure shows the...Ch. 10.2 - 36. Oxygen purity The figure shows the oxygen...Ch. 10.2 - 37. Production Suppose that the total number of...Ch. 10.2 - 38. Poiscuille's law—velocity of blood According...Ch. 10.2 - 39. Advertising and sales—diminishing returns...Ch. 10.2 - 40. Oxygen purity—diminishing returns Suppose that...Ch. 10.2 - 41. Energy use Energy use per capita indexed to...Ch. 10.3 - 1. True or false: If is the total revenue...Ch. 10.3 - 2. If , form , the average cost function, and find...Ch. 10.3 - 3. (a) If gives the demand function in a monopoly...Ch. 10.3 - 4. If are the total revenue and total cost (both...Ch. 10.3 - In Problems 1-6, find the absolute maxima and...Ch. 10.3 - In Problems 1-6, find the absolute maxima and...Ch. 10.3 - In Problems 1-6, find the absolute maxima and...Ch. 10.3 - 7. (a) If the total revenue function for a hammer...Ch. 10.3 - 8. (a) If the total revenue function for a blender...Ch. 10.3 - 9. If the total revenue function for a computer is...Ch. 10.3 - 10. A firm has total revenues given by for x...Ch. 10.3 - 11. An agency charges $100 per person for a trip...Ch. 10.3 - 12. A company handles an apartment building with...Ch. 10.3 - 13. A cable TV company has 4000 customers paying...Ch. 10.3 - 14. If club members charge $5 admission to a...Ch. 10.3 - 15. The function defines the average revenue for...Ch. 10.3 - 16. For the revenue function given by (a) find...Ch. 10.3 - 17. If the total cost function for a lamp is ...Ch. 10.3 - 18. If the total cost function for a product is ...Ch. 10.3 - 19. If the total cost function for a product is ...Ch. 10.3 - 20. If the total cost function for a product is ...Ch. 10.3 - 21. If the total cost function for a product is ...Ch. 10.3 - 22. If the total cost function for a product is ...Ch. 10.3 - 23. For the cost function , show that average...Ch. 10.3 - 24. For the cost function , show that average...Ch. 10.3 - The graphs in Problems 25 and 26 show total cost...Ch. 10.3 - The graphs in Problems 25 and 26 show total cost...Ch. 10.3 - 27. If the profit function for a product is ...Ch. 10.3 - 28. If the profit function for a commodity is ...Ch. 10.3 - 29. A manufacturer estimates that its product can...Ch. 10.3 - 30. A product can be produced at a total cost ...Ch. 10.3 - 31. A firm can produce only 1000 units per month....Ch. 10.3 - 32. A firm can produce 100 units per week. If its...Ch. 10.3 - 33. A company handles an apartment building with...Ch. 10.3 - 34. A travel agency will plan a tour for groups of...Ch. 10.3 - 35. A firm has monthly average costs, in dollars,...Ch. 10.3 - 36. A small business has weekly average costs, in...Ch. 10.3 - 37. The weekly demand function for x units of a...Ch. 10.3 - 38. The monthly demand function for x units of a...Ch. 10.3 - 39. The monthly demand function for a product sold...Ch. 10.3 - 40. The monthly demand function for x units of a...Ch. 10.3 - 41. An industry with a monopoly on a product has...Ch. 10.3 - 42. A large corporation with monopolistic control...Ch. 10.3 - 43. Coastal Soda Sales has been granted exclusive...Ch. 10.3 - 49. Dow Jones Industrial Average The figure shows...Ch. 10.3 - 50. Dow Jones averages The figure shows the daily...Ch. 10.3 - Social Security support The graph shows the number...Ch. 10.4 - Suppose we want to find the minimum value of and...Ch. 10.4 - Suppose we want to find the minimum value of and...Ch. 10.4 - Suppose we want to find the minimum value of and...Ch. 10.4 - 1. Return to sales The manufacturer of GRIPPER...Ch. 10.4 - 2. Projectiles A ball thrown into the air from a...Ch. 10.4 - 3. Profit The profit per acre from a grove of...Ch. 10.4 - 4. Reaction rates The velocity v of an...Ch. 10.4 - 5. Productivity Analysis of daily output of a...Ch. 10.4 - 6. Productivity A time study showed that, on...Ch. 10.4 - 7. Consumer expenditure Suppose that the demand x...Ch. 10.4 - 8. Production costs Suppose that the monthly cost...Ch. 10.4 - Medication For Problems 9 and 10, consider that...Ch. 10.4 - Medication For Problems 9 and 10, consider that...Ch. 10.4 - 11. Advertising and sales An inferior product with...Ch. 10.4 - 12. Revenue A newly released film has its weekly...Ch. 10.4 - 13. News impact Suppose that the percent p (as a...Ch. 10.4 - 14. Candidate recognition Suppose that in an...Ch. 10.4 - 15. Minimum fence Two equal rectangular lots are...Ch. 10.4 - 16. Minimum fence The running yard for a dog...Ch. 10.4 - Minimum cost A rectangular field with one side...Ch. 10.4 - Minimum cost From a tract of land a developer...Ch. 10.4 - 19. Optimization at a fixed cost A rectangular...Ch. 10.4 - Minimum cost A kennel of 640 square feet is to be...Ch. 10.4 - Minimum cost The base of a rectangular box is to...Ch. 10.4 - 22. Velocity of air during a cough According to B....Ch. 10.4 - 23. Inventory cost model Suppose that a company...Ch. 10.4 - Inventory cost model Suppose that a company needs...Ch. 10.4 - Inventory cost model A company needs 150,000 items...Ch. 10.4 - Inventory cost model A company needs 450,000 items...Ch. 10.4 - 27. Volume A rectangular box with a square base is...Ch. 10.4 - 28. Volume (a) A square piece of cardboard 36...Ch. 10.4 - 29. Revenue The owner of an orange grove must...Ch. 10.4 - 30. Minimum material (a) A box with an open top...Ch. 10.4 - 31. Minimum cost A printer has a contract to print...Ch. 10.4 - 32. Shortest time A vacationer on an island 8...Ch. 10.4 - 33. U.S. oil reserves By using U.S. Department of...Ch. 10.5 - 1. Let and decide whether the following are true...Ch. 10.5 - 2. Let . Use these to determine whether the...Ch. 10.5 - In Problems 1-4, a function and its graph are...Ch. 10.5 - In Problems 1-4, a function and its graph are...Ch. 10.5 - In Problems 1-4, a function and its graph are...Ch. 10.5 - In Problems 1-4, a function and its graph are...Ch. 10.5 - In Problems 5-10, find any horizontal and vertical...Ch. 10.5 - In Problems 5-10, find any horizontal and vertical...Ch. 10.5 - In Problems 5-10, find any horizontal and vertical...Ch. 10.5 - In Problems 5-10, find any horizontal and vertical...Ch. 10.5 - In Problems 5-10, find any horizontal and vertical...Ch. 10.5 - In Problems 5-10, find any horizontal and vertical...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - For each function in Problems 11-18, find any...Ch. 10.5 - In Problems 19-24, a function and its first and...Ch. 10.5 - In Problems 19-24, a function and its first and...Ch. 10.5 - In Problems 19-24, a function and its first and...Ch. 10.5 - In Problems 19-24, a function and its first and...Ch. 10.5 - In Problems 19-24, a function and its first and...Ch. 10.5 - In Problems 19-24, a function and its first and...Ch. 10.5 - In Problems 25-28, a function and its graph are...Ch. 10.5 - In Problems 25-28, a function and its graph are...Ch. 10.5 - In Problems 25-28, a function and its graph are...Ch. 10.5 - In Problems 25-28, a function and its graph are...Ch. 10.5 - For each function in Problems 29-34, complete the...Ch. 10.5 - For each function in Problems 29-34, complete the...Ch. 10.5 - For each function in Problems 29-34, complete the...Ch. 10.5 - For each function in Problems 29-34, complete the...Ch. 10.5 - For each function in Problems 29-34, complete the...Ch. 10.5 - For each function in Problems 29-34, complete the...Ch. 10.5 - 35. Cost-benefit The percent p of impurities that...Ch. 10.5 - 36. Cost-benefit The percent p of impurities that...Ch. 10.5 - 37. Revenue A recently released film has its...Ch. 10.5 - 38. Minimizing average cost If the total daily...Ch. 10.5 - 39. Wind chill If x is the wind speed in miles per...Ch. 10.5 - 40. Profit An entrepreneur starts new companies...Ch. 10.5 - 41. Productivity The figure is a typical graph of...Ch. 10.5 - 42. Sales volume The figure shows a typical curve...Ch. 10.5 - 43. Females in the workforce For selected years...Ch. 10 - In Problems 1-4, find all critical points and...Ch. 10 - In Problems 1-4, find all critical points and...Ch. 10 - In Problems 1-4, find all critical points and...Ch. 10 - In Problems 1-4, find all critical points and...Ch. 10 - In Problems 5-10 (a) find all critical values,...Ch. 10 - In Problems 5-10 (a) find all critical values,...Ch. 10 - In Problems 5-10 (a) find all critical values,...Ch. 10 - In Problems 5-10 (a) find all critical values,...Ch. 10 - In Problems 5-10 (a) find all critical values,...Ch. 10 - In Problems 5-10 (a) find all critical values,...Ch. 10 - 11. Is the graph of concave up or concave down at...Ch. 10 - 12. Find intervals on which the graph of is...Ch. 10 - 13. Find the relative maxima, relative minima, and...Ch. 10 - In Problems 14 and 15, find any relative maxima,...Ch. 10 - In Problems 14 and 15, find any relative maxima,...Ch. 10 - 16. Given find the absolute maximum and minimum...Ch. 10 - 17. Given find the absolute maximum and minimum...Ch. 10 - In Problems 18 and 19, use the graphs to find the...Ch. 10 - In Problems 18 and 19, use the graphs to find the...Ch. 10 - In Problems 20 and 21, find any horizontal...Ch. 10 - In Problems 20 and 21, find any horizontal...Ch. 10 - In Problems 22-24 (a) find any horizontal and...Ch. 10 - In Problems 22-24 (a) find any horizontal and...Ch. 10 - In Problems 22-24 (a) find any horizontal and...Ch. 10 - In Problems 25 and 26, a function and its graph...Ch. 10 - In Problems 25 and 26, a function and its graph...Ch. 10 - In Problems 27 and 28, and its graph are...Ch. 10 - In Problems 27 and 28, and its graph are...Ch. 10 - In Problems 29 and 30, and its graph are...Ch. 10 - In Problems 29 and 30, and its graph are...Ch. 10 - In Problems 31-36, cost, revenue, and profit are...Ch. 10 - In Problems 31-36, cost, revenue, and profit are...Ch. 10 - In Problems 31-36, cost, revenue, and profit are...Ch. 10 - In Problems 31-36, cost, revenue, and profit are...Ch. 10 - In Problems 31-36, cost, revenue, and profit are...Ch. 10 - In Problems 31-36, cost, revenue, and profit are...Ch. 10 - 37. Marginal profit The figure shows the graph of...Ch. 10 - 38. Productivity—diminishing returns Suppose the...Ch. 10 - 39. Output The following figure shows a typical...Ch. 10 - Revenue MMR II Extreme Bike Shop sells 54 of its...Ch. 10 - Profit If in Problem 40 the mountain bikes cost...Ch. 10 - 42. Profit Suppose that for a product in a...Ch. 10 - 43. Profit The monthly demand function for x units...Ch. 10 - 44. Profit Suppose that in a monopolistic market,...Ch. 10 - 45. Reaction to a drug The reaction R to an...Ch. 10 - 46. Productivity The number of parts produced per...Ch. 10 - 47. Population Population estimates show that the...Ch. 10 - 48. Night brightness Suppose that an observatory...Ch. 10 - 49. Product design A playpen manufacturer wants to...Ch. 10 - 50. Printing design A page is to contain 56 square...Ch. 10 - 51. Drug sensitivity The reaction R to an...Ch. 10 - Per capita health care costs For the years from...Ch. 10 - 53. Inventory cost model A company needs to...Ch. 10 - 54. Average cost Suppose the total cost of...Ch. 10 - 55. Market share Suppose a company’s percent share...Ch. 10 - Find the relative maxima, relative minima, points...Ch. 10 - Find the relative maxima, relative minima, points...Ch. 10 - Find the relative maxima, relative minima, points...Ch. 10 - In Problems 4-6, use the function . 4. Over what...Ch. 10 - In Problems 4-6, use the function . 5. Find the...Ch. 10 - In Problems 4-6, use the function . 6. Find the...Ch. 10 - 7. Find the absolute maximum and minimum for on...Ch. 10 - 8. Find all horizontal and vertical asymptotes of...Ch. 10 - 9. Use the following graph of y = f(x) and the...Ch. 10 - 10. Use the following figure to complete parts...Ch. 10 - 11. If , and , what can we conclude about the...Ch. 10 - 12. The aged dependency ratio is defined as the...Ch. 10 - 13. The revenue function for a product is dollars...Ch. 10 - 14. The cost of producing x units of a product is...Ch. 10 - 15. A firm sells 100 TVs per month at $300 each,...Ch. 10 - 16. An open-top box is made by cutting squares...Ch. 10 - 17. A company estimates that it will need 784,000...

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