CALCULUS WITH APPLICATIONS
11th Edition
ISBN: 2818440028625
Author: Lial
Publisher: ELSEVIER
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Chapter 6.5, Problem 9E
To determine
To find: The rate of change of cost.
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1. The parametric equations
x = u, y = u cos v, z = usin v, with Ou≤ 2,
0 ≤ v ≤ 2π
represent the cone that is obtained by revolving (about x-axis) the line y = x (for 0 ≤ x ≤2) in
the xy-plane. Answer the following questions.
(A) [50%] Sketch the cone and compute its surface area, which is given by
dS =
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with S being the cone surface and D being the projection of S on the uv-plane.
(B) [50%] Suppose that the density of the thin cone is σ(x, y, z) = 0.25x gr/cm². Compute the
total mass of the cone.
The value of sin (2V · F) at x = 3, y = 3, z = −4, where F
-0.592
-0.724
0.661
-0.113
-0.822
-0.313
0.171
0.427
=
(-2x² + -4,2yz − x − 3, −5xz - 2yz), is
The correct answer is C
Could you show me why
Chapter 6 Solutions
CALCULUS WITH APPLICATIONS
Ch. 6.1 - YOUR TURN 1
Find the absolute extrema of the...Ch. 6.1 - Prob. 2YTCh. 6.1 - Prob. 1WECh. 6.1 - Prob. 2WECh. 6.1 - Prob. 1ECh. 6.1 - Find the locations of any absolute extrema for the...Ch. 6.1 - Prob. 3ECh. 6.1 - Prob. 4ECh. 6.1 - Prob. 5ECh. 6.1 - Prob. 6E
Ch. 6.1 - Prob. 7ECh. 6.1 - Find the locations of any absolute extrema for the...Ch. 6.1 - Prob. 9ECh. 6.1 - 10. Can a relative extremum be an absolute...Ch. 6.1 - Prob. 11ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 13ECh. 6.1 - Prob. 14ECh. 6.1 - Prob. 15ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 17ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 19ECh. 6.1 - Prob. 20ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 23ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 25ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 29ECh. 6.1 - Prob. 30ECh. 6.1 - Prob. 31ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 33ECh. 6.1 - Prob. 34ECh. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Find the absolute extrema if they exist, as well...Ch. 6.1 - Prob. 39ECh. 6.1 - Prob. 40ECh. 6.1 - Prob. 41ECh. 6.1 - Prob. 42ECh. 6.1 - 43. Profit The total profit P(x) (in thousands of...Ch. 6.1 - 44. Profit A company has found that its weekly...Ch. 6.1 - Prob. 45ECh. 6.1 - Prob. 46ECh. 6.1 - Prob. 47ECh. 6.1 - Prob. 48ECh. 6.1 - Prob. 49ECh. 6.1 - Prob. 50ECh. 6.1 - Prob. 51ECh. 6.1 - Prob. 53ECh. 6.1 - 54. Salmon Spawning The number of salmon swimming...Ch. 6.1 - Prob. 55ECh. 6.1 - Prob. 56ECh. 6.1 - Prob. 57ECh. 6.1 - Prob. 58ECh. 6.1 - Prob. 59ECh. 6.1 - Prob. 60ECh. 6.1 - Prob. 61ECh. 6.1 - Prob. 62ECh. 6.2 - YOUR TURN 1
Find two nonnegative numbers x and y...Ch. 6.2 - EXAMPLE 2
Minimizing Time
A math professor...Ch. 6.2 - Prob. 3YTCh. 6.2 - Prob. 4YTCh. 6.2 - Prob. 1WECh. 6.2 - Prob. 2WECh. 6.2 - Prob. 1ECh. 6.2 - In Exercises 1–4, use the steps shown in Exercise...Ch. 6.2 - Prob. 3ECh. 6.2 - Prob. 4ECh. 6.2 - Prob. 5ECh. 6.2 - Prob. 6ECh. 6.2 - Prob. 7ECh. 6.2 - 8. Revenue The sale of compact discs of “lesser”...Ch. 6.2 - Prob. 9ECh. 6.2 - Prob. 10ECh. 6.2 - Prob. 11ECh. 6.2 - 12. Area A farmer is constructing a rectangular...Ch. 6.2 - Prob. 13ECh. 6.2 - 14. Cost with Fixed Area A fence must be built to...Ch. 6.2 - 15. Revenue A local club is arranging a charter...Ch. 6.2 - Prob. 16ECh. 6.2 - Prob. 17ECh. 6.2 - Prob. 18ECh. 6.2 - Prob. 19ECh. 6.2 - 20. Packaging Design A company wishes to...Ch. 6.2 - Prob. 21ECh. 6.2 - Prob. 22ECh. 6.2 - Prob. 23ECh. 6.2 - Prob. 24ECh. 6.2 - Prob. 25ECh. 6.2 - 26. Container Design Your company needs to design...Ch. 6.2 - Prob. 27ECh. 6.2 - Prob. 28ECh. 6.2 - Prob. 29ECh. 6.2 - Prob. 30ECh. 6.2 - Prob. 31ECh. 6.2 - 32. Packaging Design A cylindrical box will be...Ch. 6.2 - Prob. 33ECh. 6.2 - 34. Cost Repeat Exercise 33, but make point A 7...Ch. 6.2 - Prob. 35ECh. 6.2 - Prob. 36ECh. 6.2 - Prob. 37ECh. 6.2 - Prob. 38ECh. 6.2 - Prob. 39ECh. 6.2 - Prob. 40ECh. 6.2 - Prob. 41ECh. 6.2 - Maximum Sustainable Harvest In Exercises 41 and...Ch. 6.2 - Prob. 43ECh. 6.2 - Prob. 44ECh. 6.2 - Prob. 45ECh. 6.2 - Prob. 46ECh. 6.2 - Prob. 47ECh. 6.2 - Prob. 48ECh. 6.2 - Prob. 49ECh. 6.2 - Prob. 50ECh. 6.2 - 51. Postal Regulations The U.S. Postal Service...Ch. 6.3 - YOUR TURN 1 Suppose the annual demand in Example 1...Ch. 6.3 - Prob. 2YTCh. 6.3 - Prob. 3YTCh. 6.3 - Prob. 4YTCh. 6.3 - Prob. 5YTCh. 6.3 - Find the derivative of each of the following...Ch. 6.3 - Prob. 2WECh. 6.3 - Prob. 1ECh. 6.3 - Prob. 2ECh. 6.3 - Prob. 3ECh. 6.3 - Prob. 4ECh. 6.3 - Prob. 5ECh. 6.3 - Prob. 6ECh. 6.3 - Prob. 7ECh. 6.3 - Prob. 8ECh. 6.3 - Prob. 9ECh. 6.3 - Prob. 10ECh. 6.3 - Prob. 11ECh. 6.3 - Prob. 12ECh. 6.3 - 13. Order Quantity A bookstore has an annual...Ch. 6.3 - 14. Order Quantity A restaurant has an annual...Ch. 6.3 - Prob. 15ECh. 6.3 - 16. Lot Size A book publisher wants to know how...Ch. 6.3 - 17. Lot Size Suppose that in the inventory...Ch. 6.3 - 18. Lot Size Every year, Erin D’Aquanni sells...Ch. 6.3 - Elasticity For each of the following demand...Ch. 6.3 - Elasticity For each of the following demand...Ch. 6.3 - Elasticity For each of the following demand...Ch. 6.3 - Elasticity For each of the following demand...Ch. 6.3 - Elasticity For each of the following demand...Ch. 6.3 - Elasticity For each of the following demand...Ch. 6.3 - Elasticity Find the elasticity of demand (E) for...Ch. 6.3 - Elasticity Find the elasticity of demand (E) for...Ch. 6.3 - 27. Elasticity of Crude Oil The demand for crude...Ch. 6.3 - 28. Elasticity of Rice The demand for rice in...Ch. 6.3 - 29. Elasticity of Software The Valve Corporation,...Ch. 6.3 - 30. Elasticity The price of beef in the United...Ch. 6.3 - Prob. 31ECh. 6.3 - Prob. 32ECh. 6.3 - Prob. 33ECh. 6.3 - Prob. 34ECh. 6.4 - YOUR TURN 1 Find dy/dx if x2 + y2 = xy.
Ch. 6.4 - Prob. 2YTCh. 6.4 - YOUR TURN 3 The graph of y4 – x4 – y2 + x2 = 0 is...Ch. 6.4 - Prob. 4YTCh. 6.4 - Prob. 1WECh. 6.4 - Prob. 2WECh. 6.4 - Prob. 1ECh. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Prob. 5ECh. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Prob. 7ECh. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Prob. 11ECh. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Prob. 15ECh. 6.4 - Find dy/dx by implicit differentiation for the...Ch. 6.4 - Prob. 17ECh. 6.4 - Prob. 18ECh. 6.4 - Find the equation of the tangent line at the given...Ch. 6.4 - Find the equation of the tangent line at the given...Ch. 6.4 - Prob. 21ECh. 6.4 - Find the equation of the tangent line at the given...Ch. 6.4 - Prob. 23ECh. 6.4 - Find the equation of the tangent line at the given...Ch. 6.4 - Find the equation of the tangent line at the given...Ch. 6.4 - Find the equation of the tangent line at the given...Ch. 6.4 - In Exercises 27–32, find the equation of the...Ch. 6.4 - In Exercises 27–32, find the equation of the...Ch. 6.4 - In Exercises 27–32, find the equation of the...Ch. 6.4 - Prob. 30ECh. 6.4 - Prob. 31ECh. 6.4 - In Exercises 27–32, find the equation of the...Ch. 6.4 - Prob. 33ECh. 6.4 - Prob. 34ECh. 6.4 - Prob. 35ECh. 6.4 - Prob. 36ECh. 6.4 - Prob. 37ECh. 6.4 - Prob. 38ECh. 6.4 - Prob. 39ECh. 6.4 - 40. Let . Find each...Ch. 6.4 - Prob. 41ECh. 6.4 - Prob. 42ECh. 6.4 - Prob. 43ECh. 6.4 - 44. Demand The demand equation for a certain...Ch. 6.4 - Prob. 45ECh. 6.4 - Prob. 46ECh. 6.4 - Prob. 47ECh. 6.4 - Prob. 48ECh. 6.4 - Prob. 49ECh. 6.4 - Prob. 50ECh. 6.4 - Prob. 51ECh. 6.4 - Prob. 52ECh. 6.4 - Prob. 53ECh. 6.5 - Prob. 1YTCh. 6.5 - Prob. 2YTCh. 6.5 - Prob. 3YTCh. 6.5 - Prob. 4YTCh. 6.5 - Prob. 1WECh. 6.5 - Prob. 2WECh. 6.5 - Prob. 1ECh. 6.5 - Prob. 2ECh. 6.5 - Prob. 3ECh. 6.5 - Prob. 4ECh. 6.5 - Prob. 5ECh. 6.5 - Prob. 6ECh. 6.5 - Prob. 7ECh. 6.5 - Prob. 8ECh. 6.5 - Business and Economics
9. Cost A manufacturer of...Ch. 6.5 - 10. Cost/Revenue The manufacturer in Exercise 9...Ch. 6.5 - 11. Revenue/Cost/Profit Given the revenue and cost...Ch. 6.5 - 12. Revenue/Cost/Profit Repeat Exercise 11, given...Ch. 6.5 - Prob. 13ECh. 6.5 - Prob. 14ECh. 6.5 - Prob. 15ECh. 6.5 - Prob. 16ECh. 6.5 - Prob. 17ECh. 6.5 - 18. Birds The energy cost of bird flight as a...Ch. 6.5 - Prob. 19ECh. 6.5 - Prob. 20ECh. 6.5 - Prob. 21ECh. 6.5 - Prob. 22ECh. 6.5 - Prob. 23ECh. 6.5 - 24. Distance
(a) One car leaves a given point and...Ch. 6.5 - Prob. 25ECh. 6.5 - 26. Volume A spherical snowball is placed in the...Ch. 6.5 - 27. Ice Cube An ice cube that is 3 cm on each side...Ch. 6.5 - Prob. 28ECh. 6.5 - 29. Shadow Length A man 6 ft tall is walking away...Ch. 6.5 - 30. Water Level A trough has a triangular cross...Ch. 6.5 - Prob. 31ECh. 6.5 - 32. Kite Flying Christine O’Brien is flying her...Ch. 6.6 - YOUR TURN 1 Find dy if x = 8, and dx = 0.05.
Ch. 6.6 - YOUR TURN 2
Approximate .
Ch. 6.6 - YOUR TURN 3 Repeat Example 5 for r = 1.25 mm with...Ch. 6.6 - Prob. 1WECh. 6.6 - Prob. 2WECh. 6.6 - For Exercises 1–8, find dy for the given values of...Ch. 6.6 - For Exercises 1–8, find dy for the given values of...Ch. 6.6 - Prob. 3ECh. 6.6 - Prob. 4ECh. 6.6 - Prob. 5ECh. 6.6 - Prob. 6ECh. 6.6 - Prob. 7ECh. 6.6 - For Exercises 1–8, find dy for the given values of...Ch. 6.6 - Prob. 9ECh. 6.6 - Prob. 10ECh. 6.6 - Prob. 11ECh. 6.6 - Use the differential to approximate each quantity....Ch. 6.6 - Prob. 13ECh. 6.6 - Prob. 14ECh. 6.6 - Use the differential to approximate each quantity....Ch. 6.6 - Use the differential to approximate each quantity....Ch. 6.6 - Prob. 17ECh. 6.6 - Prob. 18ECh. 6.6 - Prob. 19ECh. 6.6 - Prob. 20ECh. 6.6 - Prob. 21ECh. 6.6 - Prob. 22ECh. 6.6 - Prob. 23ECh. 6.6 - Prob. 24ECh. 6.6 - Prob. 25ECh. 6.6 - Prob. 26ECh. 6.6 - Prob. 27ECh. 6.6 - Prob. 28ECh. 6.6 - Prob. 29ECh. 6.6 - Prob. 30ECh. 6.6 - Prob. 31ECh. 6.6 - Prob. 32ECh. 6.6 - Prob. 33ECh. 6.6 - Prob. 34ECh. 6.6 - Prob. 35ECh. 6.6 - Prob. 36ECh. 6.6 - Prob. 37ECh. 6.6 - Prob. 38ECh. 6.6 - 39. Measurement Error A sphere has a radius of...Ch. 6.6 - Prob. 40ECh. 6.6 - Prob. 41ECh. 6 - Prob. 1RECh. 6 - Prob. 2RECh. 6 - Prob. 3RECh. 6 - Prob. 4RECh. 6 - Prob. 5RECh. 6 - Prob. 6RECh. 6 - Prob. 7RECh. 6 - Prob. 8RECh. 6 - Prob. 9RECh. 6 - Prob. 10RECh. 6 - Prob. 11RECh. 6 - Prob. 12RECh. 6 - Prob. 13RECh. 6 - Prob. 14RECh. 6 - Prob. 15RECh. 6 - Prob. 16RECh. 6 - 17. Find the absolute maximum and minimum of on...Ch. 6 - Prob. 18RECh. 6 - 19. When is it necessary to use implicit...Ch. 6 - Prob. 20RECh. 6 - Prob. 21RECh. 6 - Prob. 22RECh. 6 - Prob. 23RECh. 6 - Prob. 24RECh. 6 - Prob. 25RECh. 6 - Prob. 26RECh. 6 - Prob. 27RECh. 6 - Prob. 28RECh. 6 - Prob. 29RECh. 6 - Prob. 30RECh. 6 - Prob. 31RECh. 6 - Prob. 32RECh. 6 - Prob. 33RECh. 6 - Prob. 34RECh. 6 - Prob. 35RECh. 6 - Prob. 36RECh. 6 - Prob. 37RECh. 6 - Prob. 38RECh. 6 - Prob. 39RECh. 6 - Prob. 40RECh. 6 - Prob. 41RECh. 6 - Prob. 42RECh. 6 - Prob. 43RECh. 6 - Prob. 44RECh. 6 - Prob. 45RECh. 6 - Prob. 46RECh. 6 - Prob. 47RECh. 6 - Prob. 48RECh. 6 - Prob. 49RECh. 6 - Prob. 50RECh. 6 - Prob. 51RECh. 6 - Prob. 52RECh. 6 - 53. Elasticity of Demand The demand for butter in...Ch. 6 - Prob. 54RECh. 6 - Prob. 55RECh. 6 - Prob. 56RECh. 6 - Prob. 57RECh. 6 - Prob. 58RECh. 6 - Prob. 59RECh. 6 - Prob. 60RECh. 6 - Prob. 61RECh. 6 - Prob. 62RECh. 6 - Prob. 63RECh. 6 - Prob. 64RECh. 6 - Prob. 65RECh. 6 - Prob. 66RECh. 6 - Prob. 67RECh. 6 - Prob. 68RE
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