Calculus & Its Applications (14th Edition)
Calculus & Its Applications (14th Edition)
14th Edition
ISBN: 9780134437774
Author: Larry J. Goldstein, David C. Lay, David I. Schneider, Nakhle H. Asmar
Publisher: PEARSON
bartleby

Concept explainers

Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
bartleby

Videos

Question
Book Icon
Chapter 6, Problem 68RE
To determine

The balance in the account at the end of 1 year if Account pays 9  % interest compounded continuously, where $ 4500 per year deposited in the savings account.

Expert Solution & Answer
Check Mark

Want to see the full answer?

Check out a sample textbook solution
Blurred answer
Previous
Chapter 6, Problem 67RE
Next
Chapter 6, Problem 69RE
Students have asked these similar questions
Please find the open intervals where the functions are concave upward or concave downward. Find any inflection points also thanks!Note: This is a practice problem!
Use the graph below to evaluate each limit. -11 -10 -9 -8 -6 -5 -- + -0.3 -3 -2 -0.2 -0.1- ▼ 0 1 2 -0.1- -0.2- -0.3- 3. 4 5 -0 6 -0:4 -edit-graph-on- desmos lim f(x)= _9-←x lim f(x)⇒ x→1 ☐☐ lim f(x)⇒ +9-←x lim f(x)⇒ x→−4+ lim f(x)⇒ x→1+ lim f(x)= x→2+ lim f(x)⇒ x→-4 lim f(x)⇒ x→2
Please show your answer to 4 decimal places. Find the direction in which the maximum rate of change occurs for the function f(x, y) = 3x sin(xy) at the point (5,4). Give your answer as a unit vector.

Chapter 6 Solutions

Calculus & Its Applications (14th Edition)

Ch. 6.1 - Determine the following: a. t7/2dt b....Ch. 6.1 - Find a function f(t) that satisfies f(t)=3t+5 and...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Determine the following: 4x3dxCh. 6.1 - Determine the following: 13xdx
Ch. 6.1 - Determine the following: 7dxCh. 6.1 - Determine the following: k2dx ((kisaconstant).Ch. 6.1 - Determine the following: xcdx(cisaconstant0)...Ch. 6.1 - Determine the following: xx2dx.Ch. 6.1 - Determine the following: (2x+x2)dx.Ch. 6.1 - Determine the following: 17xdx.Ch. 6.1 - Determine the following: xxdx.Ch. 6.1 - Determine the following: (2x+2x)dx.Ch. 6.1 - Determine the following: (x2x2+13x)dx.Ch. 6.1 - Determine the following: (72x3x3)dx.Ch. 6.1 - Determine the following: 3e2xdx.Ch. 6.1 - Determine the following: exdx.Ch. 6.1 - Determine the following: edx.Ch. 6.1 - Determine the following: 72e2xdx.Ch. 6.1 - Determine the following: 2(e2x+1)dx.Ch. 6.1 - Determine the following: (3ex+2xe0.5x2)dx.Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Figure 4 shows the graphs of several functions...Ch. 6.1 - Figure 5 shows the graphs of several functions...Ch. 6.1 - Which of the following is lnxdx ? a.1x+C b.xlnxx+C...Ch. 6.1 - Which of the following is xx+1dx?...Ch. 6.1 - Figure 6 contains the graph of a function F(x). On...Ch. 6.1 - Figure 7 contains an antiderivative of the...Ch. 6.1 - The function g(x) in Fig. 8, resulted from...Ch. 6.1 - The function g(x) in Fig.9 resulted from shifting...Ch. 6.1 - Height of a Ball A ball is thrown upward from a...Ch. 6.1 - Free Fall A rock is dropped from the top of a...Ch. 6.1 - Rate of Production Let P(t) be the total output of...Ch. 6.1 - Rate of Production After t hours of operation, a...Ch. 6.1 - Heat DiffusionA package of frozen strawberries is...Ch. 6.1 - Epidemic A flu epidemic hits a town. Let P(t) be...Ch. 6.1 - Profit A small tie shop finds that at a sales...Ch. 6.1 - Prob. 62ECh. 6.1 - Prob. 63ECh. 6.1 - U.S. Natural Gas Production Since 1987, the rate...Ch. 6.1 - Prob. 65ECh. 6.1 - Prob. 66ECh. 6.1 - Prob. 67ECh. 6.1 - Prob. 68ECh. 6.2 - Evaluate 01e2x1exdx.Ch. 6.2 - If f(t)=1t, find f(2)f(0).Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - Given 01f(x)dx=3.5 and 14f(x)dx=5, find 04f(x)dx.Ch. 6.2 - Given 11f(x)dx=0 and 110f(x)dx=4, find 110f(x)dx.Ch. 6.2 - Given 13f(x)dx=3 and 13g(x)dx=1, find...Ch. 6.2 - Given 0.53f(x)dx=0 and 0.53(2g(x)+f(x))dx=4, find...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - Refer to Fig. 4 and evaluate 02f(x)dx. Figure 4Ch. 6.2 - Refer to Fig. 5 and evaluate 03f(x)dx. Figure 5Ch. 6.2 - Refer to Fig. 6 and evaluate 11f(t)dt. Figure 6Ch. 6.2 - Refer to Fig. 7 and evaluate 12f(t)dt. Figure 7Ch. 6.2 - Net Change in Position A rock is dropped from the...Ch. 6.2 - Net change in Position The velocity at time t...Ch. 6.2 - Net Change in Position The velocity at time t...Ch. 6.2 - Velocity of a Skydiver The velocity of a skydiver...Ch. 6.2 - Net Change in Cost A companys marginal cost...Ch. 6.2 - Prob. 36ECh. 6.2 - Net Increase of an Investment An investment grew...Ch. 6.2 - Depreciation of Real Estate A property with an...Ch. 6.2 - Population Model with Emigration The rate of...Ch. 6.2 - Paying Down a Mortgage You took a 200,000 home...Ch. 6.2 - Mortgage Using the data from the previous...Ch. 6.2 - Radioactive Decay A sample of radioactive material...Ch. 6.2 - Prob. 43ECh. 6.2 - Level of Water in a Tank A conical-shaped tank is...Ch. 6.3 - Repeat Example 6 using midpoints of the...Ch. 6.3 - Repeat Example 6 using left endpoints of the...Ch. 6.3 - In exercises 16, compute the area of the shaded...Ch. 6.3 - In exercises 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - Prob. 12ECh. 6.3 - Prob. 13ECh. 6.3 - Prob. 14ECh. 6.3 - Prob. 15ECh. 6.3 - In Exercises 1618, draw the region whose area is...Ch. 6.3 - In Exercises 1618, draw the region whose area is...Ch. 6.3 - In Exercises 1618, draw the region whose area is...Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Prob. 25ECh. 6.3 - Find the real number b0 so that the area under the...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3740, use a Riemann sum to...Ch. 6.3 - In Exercises 3740, use a Riemann sum to...Ch. 6.3 - In Exercises 3740, use a Riemann sum to...Ch. 6.3 - Prob. 40ECh. 6.3 - Use a Riemann sum with n=4 and left endpoints to...Ch. 6.3 - Prob. 42ECh. 6.3 - The graph of the function f(x)=1x2 on the interval...Ch. 6.3 - Use a Riemann sum with n=5 and midpoints to...Ch. 6.3 - Estimate the area (in square feet) of the...Ch. 6.3 - Prob. 46ECh. 6.3 - Prob. 47ECh. 6.3 - Prob. 48ECh. 6.3 - Technology Exercises. The area under the graph of...Ch. 6.3 - Prob. 50ECh. 6.3 - Prob. 51ECh. 6.3 - Prob. 52ECh. 6.4 - Find the area between the curves y=x+3 and...Ch. 6.4 - A company plans to increase its production from 10...Ch. 6.4 - Write a definite integral or sum of definite...Ch. 6.4 - Write a definite integral or sum of definite...Ch. 6.4 - Shade the portion of Fig. 23 whose area is given...Ch. 6.4 - Shade the portion ofFig. 24 whose area is given by...Ch. 6.4 - Let f(x) be the function pictured in Fig. 25....Ch. 6.4 - Let g(x) be the function pictured in Fig. 26....Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region between y=x23x and the...Ch. 6.4 - Find the area of the region between y=x2 and...Ch. 6.4 - Find the area in Fig. 27 of the region bounded by...Ch. 6.4 - Find the area of the region bounded by y=1/x,y=4x...Ch. 6.4 - Height of a Helicopter A helicopter is rising...Ch. 6.4 - Assembly line productionAfter t hour of operation,...Ch. 6.4 - Cost Suppose that the marginal cost function for a...Ch. 6.4 - ProfitSuppose that the marginal profit function...Ch. 6.4 - Marginal Profit Let M(x) be a companys marginal...Ch. 6.4 - Marginal Profit Let M(x) be a companys marginal...Ch. 6.4 - Prob. 37ECh. 6.4 - VelocitySuppose that the velocity of a car at time...Ch. 6.4 - Deforestation and Fuel wood Deforestation is one...Ch. 6.4 - Refer to Exercise 39. The rate of new tree growth...Ch. 6.4 - After an advertising campaign, a companys marginal...Ch. 6.4 - Profit and Area The marginal profit for a certain...Ch. 6.4 - Velocity and Distance Two rockets are fired...Ch. 6.4 - Distance TraveledCars A and B start at the same...Ch. 6.4 - Displacement versus Distance Traveled The velocity...Ch. 6.4 - Displacement versus Distance Traveled The velocity...Ch. 6.4 - Prob. 47ECh. 6.4 - Prob. 48ECh. 6.4 - Prob. 49ECh. 6.4 - Prob. 50ECh. 6.5 - A rock dropped from a bridge has a velocity of 32t...Ch. 6.5 - An Investment yields a continuous income stream of...Ch. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Prob. 4ECh. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Prob. 6ECh. 6.5 - Average Temperature During a certain 12-hour...Ch. 6.5 - Average PopulationAssuming that a countrys...Ch. 6.5 - Average Amount of Radium. One hundred grams of...Ch. 6.5 - Average Amount of Money. One hundred dollars is...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 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 - Prob. 23ECh. 6.5 - Future Value Suppose that money is deposited...Ch. 6.5 - Prob. 25ECh. 6.5 - Prob. 26ECh. 6.5 - Volume of Solids of Revolution Find the volume of...Ch. 6.5 - Volume of Solids of Revolution Find the volume of...Ch. 6.5 - Prob. 29ECh. 6.5 - Prob. 30ECh. 6.5 - Prob. 31ECh. 6.5 - Prob. 32ECh. 6.5 - Prob. 33ECh. 6.5 - Prob. 34ECh. 6.5 - Prob. 35ECh. 6.5 - Prob. 36ECh. 6.5 - Prob. 37ECh. 6.5 - For the Riemann sum...Ch. 6.5 - Prob. 39ECh. 6.5 - Prob. 40ECh. 6.5 - Prob. 41ECh. 6.5 - Prob. 42ECh. 6.5 - Prob. 43ECh. 6.5 - Prob. 44ECh. 6.5 - Prob. 45ECh. 6.5 - Prob. 46ECh. 6 - What does it mean to antidifferentiate a function?Ch. 6 - Prob. 2CCECh. 6 - Prob. 3CCECh. 6 - Prob. 4CCECh. 6 - Prob. 5CCECh. 6 - Prob. 6CCECh. 6 - Prob. 7CCECh. 6 - Prob. 8CCECh. 6 - Prob. 9CCECh. 6 - Prob. 10CCECh. 6 - Prob. 11CCECh. 6 - Calculate the following integrals. 32dxCh. 6 - Prob. 2RECh. 6 - Calculate the following integrals. x+1dxCh. 6 - Calculate the following integrals. 2x+4dxCh. 6 - Calculate the following integrals. 2(x3+3x21)dxCh. 6 - Calculate the following integrals. x+35dxCh. 6 - Calculate the following integrals. ex/2dxCh. 6 - Calculate the following integrals. 5x7dxCh. 6 - Calculate the following integrals. (3x44x3)dxCh. 6 - Calculate the following integrals. (2x+3)7dxCh. 6 - Calculate the following integrals. 4xdxCh. 6 - Calculate the following integrals. (5xx5)dxCh. 6 - Calculate the following integrals. 11(x+1)2dxCh. 6 - Calculate the following integrals. 01/8x3dxCh. 6 - Calculate the following integrals. 122x+4dxCh. 6 - Calculate the following integrals. 201(2x+11x+4)dxCh. 6 - Calculate the following integrals. 124x5dxCh. 6 - Calculate the following integrals. 2308x+1dxCh. 6 - Calculate the following integrals. 141x2dxCh. 6 - Calculate the following integrals. 36e2(x/3)dxCh. 6 - Calculate the following integrals. 05(5+3x)1dxCh. 6 - Calculate the following integrals. 2232e3xdxCh. 6 - Calculate the following integrals. 0ln2(exex)dxCh. 6 - Calculate the following integrals. ln2ln3(ex+ex)dxCh. 6 - Calculate the following integrals. 0ln3ex+exe2xdxCh. 6 - Calculate the following integrals. 013+e2xexdxCh. 6 - Find the area under the curve y=(3x2)3 from x=1 to...Ch. 6 - Find the area under the curve y=1+x from x=1 to...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - Find the area of the region bounded by the curves...Ch. 6 - Find the area of the region between the curves...Ch. 6 - Find the function f(x) for which...Ch. 6 - Find the function f(x) for which f(x)=e5x,f(0)=1.Ch. 6 - Describe all solutions of the following...Ch. 6 - Let k be a constant, and let y=f(t) be a function...Ch. 6 - Prob. 43RECh. 6 - Prob. 44RECh. 6 - A drug is injected into a patient at the rate of...Ch. 6 - A rock thrown straight up into the air has a...Ch. 6 - Prob. 47RECh. 6 - Prob. 48RECh. 6 - Prob. 49RECh. 6 - Prob. 50RECh. 6 - Find the consumers surplus for the demand curve...Ch. 6 - Three thousand dollars is deposited in the bank at...Ch. 6 - Find the average value of f(x)=1/x3 from x=13 to...Ch. 6 - Prob. 54RECh. 6 - In Fig. 2, three regions are labelled with their...Ch. 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. 68RECh. 6 - Prob. 69RECh. 6 - Prob. 70RECh. 6 - Prob. 71RECh. 6 - Prob. 72RECh. 6 - Prob. 73RECh. 6 - Prob. 74RE
Knowledge Booster
Background pattern image
Calculus
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Intermediate Algebra
Algebra
ISBN:9780998625720
Author:Lynn Marecek
Publisher:OpenStax College
Text book image
College Algebra
Algebra
ISBN:9781938168383
Author:Jay Abramson
Publisher:OpenStax
Text book image
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Text book image
Functions and Change: A Modeling Approach to Coll...
Algebra
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Cengage Learning
Text book image
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Text book image
College Algebra
Algebra
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
SEE MORE TEXTBOOKS
Use of ALGEBRA in REAL LIFE; Author: Fast and Easy Maths !;https://www.youtube.com/watch?v=9_PbWFpvkDc;License: Standard YouTube License, CC-BY
Compound Interest Formula Explained, Investment, Monthly & Continuously, Word Problems, Algebra; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=P182Abv3fOk;License: Standard YouTube License, CC-BY
Applications of Algebra (Digit, Age, Work, Clock, Mixture and Rate Problems); Author: EngineerProf PH;https://www.youtube.com/watch?v=Y8aJ_wYCS2g;License: Standard YouTube License, CC-BY