CALCULUS+ITS APPLICATIONS
CALCULUS+ITS APPLICATIONS
12th Edition
ISBN: 9780135164884
Author: BITTINGER
Publisher: PEARSON
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Chapter 6.6, Problem 39E

Life sciences: population. The population density of fireflies in a field is given by p ( x ,   y ) = 1 100 x 2 y ,     where 0 ≤ x ≤ 30     and   y are in yards and p is the number of fireflies per square yard

a. Determine the total population of fireflies in this field.

b. Determine the average number of fireflies per square yard of the field.

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Chapter 6 Solutions

CALCULUS+ITS APPLICATIONS

Ch. 6.1 - 2. . Ch. 6.1 - Forf(x,y)=x23xy,find(0,2),f(2,3),andf(10,5).Ch. 6.1 - Prob. 3ECh. 6.1 - 3. . Ch. 6.1 - 6. . Ch. 6.1 - Forf(x,y)=Inx+y3,findf(e,2),f(e2,4),andf(e3,5).Ch. 6.1 - 8. . Ch. 6.1 - Forf(x,y,z)=x2y2+z2,findf(1,2,3)andf(2,1,3).Ch. 6.1 - In Exercises 9-14, determine the domain of each...Ch. 6.1 - In Exercises 9-14, determine the domain of each...
Ch. 6.1 - In Exercises 9-14, determine the domain of each...Ch. 6.1 - In Exercises 9-14, determine the domain of each...Ch. 6.1 - Yield. The yield of a stock is given by YD,P=DP,...Ch. 6.1 - Prob. 14ECh. 6.1 - 17. Cost of storage equipment. Consider the cost...Ch. 6.1 - Savings and interest. A sum of $1000 is deposited...Ch. 6.1 - Monthly car payments. Ashley wants to buy a 2019...Ch. 6.1 - Monthly car payments. Kim is shopping for a car....Ch. 6.1 - 21. Poiseuille’s Law. The speed of blood in a...Ch. 6.1 - Body surface area. The Haycock formula for...Ch. 6.1 - 23. Body surface area. The Mosteller formula for...Ch. 6.1 - Prob. 22ECh. 6.1 - Baseball: total bases. A batters total bases is a...Ch. 6.1 - Soccer: point system. A point system is used to...Ch. 6.1 - 26. Dewpoint. The dewpoint is the temperature at...Ch. 6.1 - Prob. 26ECh. 6.1 - Prob. 27ECh. 6.1 - Prob. 28ECh. 6.1 - Explain the difference between a function of two...Ch. 6.1 - 30. Find some examples of function of several...Ch. 6.1 - Wind Chill Temperature. Because wind speed...Ch. 6.1 - Wind Chill Temperature. Because wind speed...Ch. 6.1 - Prob. 33ECh. 6.1 - Wind Chill Temperature. Because wind speed...Ch. 6.1 - Use a graphics program such as Maple or...Ch. 6.1 - Use a 3D graphics program to generate the graph of...Ch. 6.1 - Use a 3D graphics program to generate the graph of...Ch. 6.1 - Use a 3D graphics program to generate the graph of...Ch. 6.1 - Use a 3D graphics program to generate the graph of...Ch. 6.1 - Prob. 40ECh. 6.1 - Use a 3D graphics program to generate the graph of...Ch. 6.2 - Find zx,zy,zx|(2,3),andzy|(0,5) z=2z3yCh. 6.2 - Find zx,zy,zx|(2,3),andzy|(0,5) z=7x5yCh. 6.2 - Find zx,zy,zx|(2,3),andzy|(0,5) z=2x3+3xyxCh. 6.2 - Prob. 4ECh. 6.2 - . 6. Ch. 6.2 - . 5. Ch. 6.2 - Find. 7. Ch. 6.2 - Find fx,fy,fz(2,1),andfy(3,2). f(x,y)=x2y2Ch. 6.2 - Prob. 9ECh. 6.2 - Find 9. Ch. 6.2 - Prob. 11ECh. 6.2 - Prob. 12ECh. 6.2 - Prob. 13ECh. 6.2 - Prob. 14ECh. 6.2 - Prob. 15ECh. 6.2 - Prob. 16ECh. 6.2 - Prob. 17ECh. 6.2 - Find fxandfy f(x,y)=xy+y5xCh. 6.2 - Find 20. Ch. 6.2 - Prob. 20ECh. 6.2 - Find fbandfm f(b,m)=5m2mb23b+(2m+b8)2+(3m+b9)2Ch. 6.2 - Find fbandfm f(b,m)=m3+4m2bb2+(2m+b5)2+(3m+b6)2Ch. 6.2 - Find fx,fy,andf (The symbol is the Greek letter...Ch. 6.2 - Find fx,fy,andf (The symbol is the Greek letter...Ch. 6.2 - Find (The symbol is the Greek letter...Ch. 6.2 - Find fx,fy,andf (The symbol is the Greek letter...Ch. 6.2 - Find the four second-order partial derivatives....Ch. 6.2 - Find the four second-order partial derivatives....Ch. 6.2 - Prob. 29ECh. 6.2 - Prob. 30ECh. 6.2 - Find. (Remember, means to differentiate with...Ch. 6.2 - Find fxy,fxy,fyx,andfyy. (Remember, fyx means to...Ch. 6.2 - Find. (Remember, means to differentiate with...Ch. 6.2 - Find. (Remember, means to differentiate with...Ch. 6.2 - Find fxy,fxy,fyx,andfyy. (Remember, fyx means to...Ch. 6.2 - Find. (Remember, means to differentiate with...Ch. 6.2 - Prob. 37ECh. 6.2 - Let z=fx,y=xy. Use differentials to estimate...Ch. 6.2 - Let z=fx,y=2x+y2. Use differentials to estimate...Ch. 6.2 - Let z=fx,y=exy. Use differentials to estimate...Ch. 6.2 - The Cobb-Douglas model. Lincolnville Sporting...Ch. 6.2 - The Cobb-Douglas model. Riverside Appliances has...Ch. 6.2 - Prob. 43ECh. 6.2 - Prob. 44ECh. 6.2 - Nursing facilities. A study of Texas nursing homes...Ch. 6.2 - Temperaturehumidity Heat Index. In summer, higher...Ch. 6.2 - Prob. 48ECh. 6.2 - Use the equation for Th given above for Exercises...Ch. 6.2 - Use the equation for Th given above for Exercises...Ch. 6.2 - Prob. 51ECh. 6.2 - Prob. 52ECh. 6.2 - Reading Ease The following formula is used by...Ch. 6.2 - Reading Ease The following formula is used by...Ch. 6.2 - Prob. 55ECh. 6.2 - Reading Ease The following formula is used by...Ch. 6.2 - Prob. 57ECh. 6.2 - Prob. 58ECh. 6.2 - Prob. 59ECh. 6.2 - Find fxandft. f(x,t)=(x2+t2x2t2)5Ch. 6.2 - In Exercises 63 and 64, find fxx,fxy,fyx,andfyy...Ch. 6.2 - In Exercises 63 and 64, find fxx,fxy,fyx,andfyy...Ch. 6.2 - Prob. 63ECh. 6.2 - Prob. 64ECh. 6.2 - Prob. 65ECh. 6.2 - Prob. 66ECh. 6.2 - Do some research on the Cobb-Douglas production...Ch. 6.2 - Considerf(x,y)=In(x2+y2). Show that f is a...Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values. ...Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values. ...Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum and minimum values. ...Ch. 6.3 - Find the relative maximum and minimum values....Ch. 6.3 - Find the relative maximum or minimum value. 15....Ch. 6.3 - Find the relative maximum or minimum value. 16....Ch. 6.3 - In Exercises 15-22, assume that relative maximum...Ch. 6.3 - In Exercises 15-22, assume that relative maximum...Ch. 6.3 - In Exercises 15-22, assume that relative maximum...Ch. 6.3 - In Exercises 15-22, assume that relative maximum...Ch. 6.3 - In Exercises 23-26, find the relative maximum and...Ch. 6.3 - In Exercises 23-26, find the relative maximum and...Ch. 6.3 - In Exercises 23-26, find the relative maximum and...Ch. 6.3 - In Exercises 23-26, find the relative maximum and...Ch. 6.3 - Explain the difference between a relative minimum...Ch. 6.3 - Use a 3D graphics program to graph each of the...Ch. 6.3 - Use a 3D graphics program to graph each of the...Ch. 6.3 - Use a 3D graphics program to graph each of the...Ch. 6.3 - Use a 3D graphics program to graph each of the...Ch. 6.4 - In Exercises 1 – 4, find the regression line for...Ch. 6.4 - In Exercises 1 4, find the regression line for...Ch. 6.4 - In Exercises 1 – 4, find the regression line for...Ch. 6.4 - In Exercises 1 4, find the regression line for...Ch. 6.4 - Prob. 5ECh. 6.4 - In Exercises 5-8, find an exponential regression...Ch. 6.4 - In Exercises 5-8, find an exponential regression...Ch. 6.4 - In Exercises 5-8, find an exponential regression...Ch. 6.4 - Prob. 18ECh. 6.5 - Prob. 1ECh. 6.5 - Find the extremum of f(x,y) subject to given...Ch. 6.5 - Prob. 3ECh. 6.5 - Prob. 4ECh. 6.5 - Find the extremum of f(x,y) subject to given...Ch. 6.5 - Find the extremum of f(x,y) subject to given...Ch. 6.5 - Find the extremum of subject to given constraint,...Ch. 6.5 - Find the extremum of f(x,y) subject to given...Ch. 6.5 - Find the extremum of f(x,y) subject to given...Ch. 6.5 - Find the extremum of subject to given constraint,...Ch. 6.5 - Prob. 13ECh. 6.5 - Prob. 14ECh. 6.5 - Prob. 15ECh. 6.5 - Prob. 16ECh. 6.5 - Prob. 17ECh. 6.5 - Prob. 18ECh. 6.5 - Prob. 19ECh. 6.5 - Prob. 20ECh. 6.5 - Prob. 21ECh. 6.5 - Prob. 22ECh. 6.5 - 19. Maximizing typing area. A standard piece of...Ch. 6.5 - 20. Maximizing room area. A carpenter is building...Ch. 6.5 - 21. Minimizing surface area. An oil drum of...Ch. 6.5 - Juice-can problem. A large juice can has a volume...Ch. 6.5 - Maximizing total sales. Total sales, S, of...Ch. 6.5 - Maximizing total sales. Total sales, S, of Sea...Ch. 6.5 - 25. Minimizing construction costs. Denney...Ch. 6.5 - Minimizing the costs of container construction....Ch. 6.5 - Minimizing total cost. Each unit of a product can...Ch. 6.5 - 28. Minimizing distance and cost. A highway passes...Ch. 6.5 - 29. Minimizing distance and cost. From the center...Ch. 6.5 - In Exercises 30-33, find the absolute maximum and...Ch. 6.5 - In Exercises 30-33, find the absolute maximum and...Ch. 6.5 - In Exercises 30-33, find the absolute maximum and...Ch. 6.5 - In Exercises 30-33, find the absolute maximum and...Ch. 6.5 - Business: maximizing profits with constraints. A...Ch. 6.5 - Business: minimizing costs with constraints....Ch. 6.5 - Prob. 40ECh. 6.5 - Prob. 41ECh. 6.5 - Find the indicated maximum or minimum value of...Ch. 6.5 - Find the indicated maximum or minimum value of...Ch. 6.5 - Find the indicated maximum or minimum value of...Ch. 6.5 - Find the indicated maximum or minimum value of...Ch. 6.5 - Prob. 46ECh. 6.5 - Economics: the Law of Equimarginal Productivity....Ch. 6.5 - 44. Business: maximizing production. A computer...Ch. 6.5 - 45. Discuss the difference between solving...Ch. 6.5 - Prob. 59ECh. 6.6 - Prob. 1ECh. 6.6 - Prob. 2ECh. 6.6 - In Exercises 1–16, evaluate the double integral....Ch. 6.6 - In Exercises 1–16, evaluate the double integral....Ch. 6.6 - In Exercises 1–16, evaluate the double integral....Ch. 6.6 - Prob. 6ECh. 6.6 - Prob. 7ECh. 6.6 - Prob. 8ECh. 6.6 - Prob. 9ECh. 6.6 - Prob. 10ECh. 6.6 - Prob. 11ECh. 6.6 - In Exercises 1–16, evaluate the double integral....Ch. 6.6 - In Exercises 1–16, evaluate the double integral....Ch. 6.6 - In Exercises 1–16, evaluate the double integral....Ch. 6.6 - Prob. 15ECh. 6.6 - Prob. 16ECh. 6.6 - Prob. 17ECh. 6.6 - Prob. 18ECh. 6.6 - Prob. 19ECh. 6.6 - 17–32. For each double integral in Exercises...Ch. 6.6 - 17–32. For each double integral in Exercises...Ch. 6.6 - 17–32. For each double integral in Exercises...Ch. 6.6 - Prob. 23ECh. 6.6 - Prob. 24ECh. 6.6 - Prob. 25ECh. 6.6 - 17–32. For each double integral in Exercises...Ch. 6.6 - 17–32. For each double integral in Exercises...Ch. 6.6 - Prob. 28ECh. 6.6 - Prob. 29ECh. 6.6 - Prob. 30ECh. 6.6 - Prob. 31ECh. 6.6 - Prob. 32ECh. 6.6 - Find the volume of the solid capped by the surface...Ch. 6.6 - 16. Find the volume of the solid capped by the...Ch. 6.6 - 17. Find the average value of. Ch. 6.6 - 18. Find the average value of. Ch. 6.6 - 19. Find the average value of, where the region of...Ch. 6.6 - Prob. 38ECh. 6.6 - 21. Life sciences: population. The population...Ch. 6.6 - 22. Life sciences: population. The population...Ch. 6.6 - Prob. 41ECh. 6.6 - Prob. 42ECh. 6.6 - Prob. 43ECh. 6.6 - Is evaluated in much the same way as a double...Ch. 6 - Match each expression in column A with an...Ch. 6 - Prob. 2RECh. 6 - Prob. 3RECh. 6 - Prob. 4RECh. 6 - Prob. 5RECh. 6 - Prob. 6RECh. 6 - Prob. 7RECh. 6 - Prob. 8RECh. 6 - Given f(x,y)=ey+3xy3+2y, find each of the...Ch. 6 - Given, find each of the following 10. Ch. 6 - Given f(x,y)=ey+3xy3+2y, find each of the...Ch. 6 - Given, find each of the following 12. Ch. 6 - Given, find each of the following 13. Ch. 6 - Given f(x,y)=ey+3xy3+2y, find each of the...Ch. 6 - Given, find each of the following 15. Ch. 6 - 16. State the domain of Ch. 6 - Given, find each of the following 17. Ch. 6 - Given z=2x3Iny+xy2, find each of the following...Ch. 6 - Given, find each of the following 19. Ch. 6 - Given, find each of the following 20. Ch. 6 - Given, find each of the following 21. Ch. 6 - Given, find each of the following 22. Ch. 6 - Find the relative maximum and minimum values [6.3]...Ch. 6 - Prob. 24RECh. 6 - Prob. 25RECh. 6 - Prob. 26RECh. 6 - Prob. 29RECh. 6 - Find the extremum of f(x,y)=6xy subject to the...Ch. 6 - Prob. 31RECh. 6 - Find the absolute maximum and minimum values of...Ch. 6 - Evaluate [6.6] 0112x2y3dydxCh. 6 - Evaluate [6.6] 33. Ch. 6 - Business: demographics. The density of students...Ch. 6 - 35. Evaluate . Ch. 6 - Prob. 37RECh. 6 - Prob. 39RECh. 6 - Prob. 1TCh. 6 - Prob. 2TCh. 6 - Prob. 3TCh. 6 - Given fx,y=2x3y+y, find each of the following. 4....Ch. 6 - Given fx,y=2x3y+y, find each of the following. 5....Ch. 6 - Given fx,y=2x3y+y, find each of the following. 6....Ch. 6 - Prob. 7TCh. 6 - Prob. 8TCh. 6 - Prob. 9TCh. 6 - Prob. 10TCh. 6 - Prob. 11TCh. 6 - Prob. 12TCh. 6 - Prob. 13TCh. 6 - 14. Business: maximizing production. Southwest...Ch. 6 - Find the largest possible volume of a rectangular...Ch. 6 - Find the average value of fx,y=x+2y over the...

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