Precalculus Enhanced with Graphing Utilities (7th Edition)
7th Edition
ISBN: 9780134119281
Author: Michael Sullivan, Michael Sullivan III
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 14.1, Problem 1AYP
Graph (pp.100-102)
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A helicopter pilot needs to travel to a regional airport
25
miles away. She flies at an actual heading of
N16.26°E
with an airspeed of
110
mph, and there is a wind blowing directly east at
20
mph.
(a) Determine the compass heading that the pilot needs to reach her destination.
(b) How long will it take her to reach her destination?
Question 3.
the given integral is convergent or divergent:
Use the comparison test to determine whether or not
* sin*(x + 1)
7x3
(a) |.
d.x
g8 + x4 + 1
-dx (b)
2.x4 + x + 1
-d.x
tan x
Chapter 14 Solutions
Precalculus Enhanced with Graphing Utilities (7th Edition)
Ch. 14.1 - Graph f( x )={ 3x2ifx2 3ifx=2 (pp.100-102)Ch. 14.1 - If f( x )={ xifx0 1ifx0 what is f( 0 ) ?...Ch. 14.1 - The limit of a function f( x ) as x approaches c...Ch. 14.1 - If a function f has no limit as x approaches c ,...Ch. 14.1 - True or False lim xc f( x )=N may be described by...Ch. 14.1 - True or False lim xc f( x ) exists and equals some...Ch. 14.1 - lim x2 ( 4 x 3 )Ch. 14.1 - lim x3 ( 2 x 2 +1 )Ch. 14.1 - lim x0 x+1 x 2 +1Ch. 14.1 - lim x0 2x x 2 +4
Ch. 14.1 - lim x4 x 2 4x x4Ch. 14.1 - lim x3 x 2 9 x 2 3xCh. 14.1 - lim x0 ( e x +1 )Ch. 14.1 - Prob. 14SBCh. 14.1 - lim x0 cosx1 x , x in radiansCh. 14.1 - lim x0 tanx x , x in radiansCh. 14.1 - In Problems 17-22, use the graph shown to...Ch. 14.1 - In Problems 17-22, use the graph shown to...Ch. 14.1 - In Problems 17-22, use the graph shown to...Ch. 14.1 - In Problems 17-22, use the graph shown to...Ch. 14.1 - In Problems 17-22, use the graph shown to...Ch. 14.1 - In Problems 17-22, use the graph shown to...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 23-42, graph each function. Use the...Ch. 14.1 - In Problems 43-48, use a graphing utility to find...Ch. 14.1 - In Problems 43-48, use a graphing utility to find...Ch. 14.1 - In Problems 43-48, use a graphing utility to find...Ch. 14.1 - In Problems 43-48, use a graphing utility to find...Ch. 14.1 - In Problems 43-48, use a graphing utility to find...Ch. 14.1 - In Problems 43-48, use a graphing utility to find...Ch. 14.1 - Problems 49-52 are based on material learned...Ch. 14.1 - Problems 49-52 are based on material learned...Ch. 14.1 - Problems 49-52 are based on material learned...Ch. 14.1 - Problems 49-52 are based on material learned...Ch. 14.2 - The limit of the product of two functions equals...Ch. 14.2 - lim xc b= _____Ch. 14.2 - lim xc x= a. x b. c c. cx d. x cCh. 14.2 - True or False The limit of a polynomial function...Ch. 14.2 - True or False The limit of a rational function at...Ch. 14.2 - True or false The limit of a quotient equals the...Ch. 14.2 - In Problems 7- 42, find each limit algebraically....Ch. 14.2 - In Problems 7- 42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 7-42, find each limit algebraically....Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In Problems 43-52, find the limit as x approaches...Ch. 14.2 - In problems 53-56, use the properties of limits...Ch. 14.2 - In problems 53-56, use the properties of limits...Ch. 14.2 - In problems 53-56, use the properties of limits...Ch. 14.2 - In problems 53-56, use the properties of limits...Ch. 14.2 - Problems 57-60 are based on material learned...Ch. 14.2 - Problems 57-60 are based on material learned...Ch. 14.2 - Problems 57-60 are based on material learned...Ch. 14.2 - Problems 57-60 are based on material learned...Ch. 14.3 - For the function f( x )={ x 2 ifx0 x+1if0x2...Ch. 14.3 - What are the domain and range of f( x )=lnx ?Ch. 14.3 - True or False The exponential function f( x )= e x...Ch. 14.3 - Name the trigonometric functions that have...Ch. 14.3 - True or False Some rational functions have holes...Ch. 14.3 - True or False Every polynomial function has a...Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - In Problems 7-42, find each limit algebraically....Ch. 14.3 - Find lim x 4 f( x ) .Ch. 14.3 - Find lim x 4 + f( x ) .Ch. 14.3 - Find lim x 2 f( x ) .Ch. 14.3 - Find lim x 2 + f( x ) .Ch. 14.3 - Does lim x4 f( x ) exist? If it does, what is it?Ch. 14.3 - Does lim x0 f( x ) exist? If it does, what is it?Ch. 14.3 - Is f continuous at 4 ?Ch. 14.3 - Is f continuous at 6 ?Ch. 14.3 - Is f continuous at 0?Ch. 14.3 - Is f continuous at 2?Ch. 14.3 - Is f continuous at 4?Ch. 14.3 - Is f continuous at 5?Ch. 14.3 - lim x 1 + ( 2x+3 )Ch. 14.3 - lim x 2 ( 42x )Ch. 14.3 - lim x 1 ( 2 x 3 +5x )Ch. 14.3 - lim x 2 + ( 3 x 2 8 )Ch. 14.3 - lim x/ 2 + sinxCh. 14.3 - lim x ( 3cosx )Ch. 14.3 - lim x 2 + x 2 4 x2Ch. 14.3 - lim x 1 x 3 x x1Ch. 14.3 - lim x 1 x 2 1 x 3 +1Ch. 14.3 - lim x 0 + x 3 x 2 x 4 + x 2Ch. 14.3 - lim x 2 + x 2 +x2 x 2 +2xCh. 14.3 - lim x 4 x 2 +x12 x 2 +4xCh. 14.3 - f( x )= x 3 3 x 2 +2x6c=2Ch. 14.3 - f( x )=3 x 2 6x+5c=3Ch. 14.3 - f( x )= x 2 +5 x6 c=3Ch. 14.3 - f( x )= x 3 8 x 2 +4 c=2Ch. 14.3 - f( x )= x+3 x3 c=3Ch. 14.3 - f( x )= x6 x+6 c=6Ch. 14.3 - f( x )= x 3 +3x x 2 3x c=0Ch. 14.3 - f( x )= x 2 6x x 2 +6x c=0Ch. 14.3 - f( x )={ x 3 +3x x 2 3x ifx0 1ifx=0 c=0Ch. 14.3 - f( x )={ x 2 6x x 2 +6x ifx0 2ifx=0 c=0Ch. 14.3 - f( x )={ x 3 +3x x 2 3x ifx0 1ifx=0 c=0Ch. 14.3 - f( x )={ x 2 6x x 2 +6x ifx0 1ifx=0 c=0Ch. 14.3 - f( x )={ x 3 1 x 2 1 ifx1 2ifx=1 3 x+1 ifx1 c=1Ch. 14.3 - f( x )={ x 2 2x x2 ifx2 2ifx=2 x4 x1 ifx2 c=2Ch. 14.3 - f( x )={ 2 e x ifx0 2ifx=0 x 3 +2 x 2 x 2 ifx0 c=0Ch. 14.3 - f( x )={ 3cosxifx0 3ifx=0 x 3 +3 x 2 x 2 ifx0 c=0Ch. 14.3 - f( x )=2x+3Ch. 14.3 - f( x )=43xCh. 14.3 - f( x )=3 x 2 +xCh. 14.3 - f( x )=3 x 3 +7Ch. 14.3 - f( x )=4sinxCh. 14.3 - f( x )=2cosxCh. 14.3 - f( x )=2tanxCh. 14.3 - f( x )=4cscxCh. 14.3 - f( x )= 2x+5 x 2 4Ch. 14.3 - f( x )= x 2 4 x 2 9Ch. 14.3 - f( x )= x3 InxCh. 14.3 - f( x )= lnx x3Ch. 14.3 - R( x )= x1 x 2 1 , c=1 and c=1Ch. 14.3 - R( x )= 3x+6 x 2 4 , c=2 and c=2Ch. 14.3 - R( x )= x 2 +x x 2 1 , c=1 and c=1Ch. 14.3 - R( x )= x 2 +4x x 2 16 , c=4 and c=4Ch. 14.3 - R( x )= x 3 x 2 +x1 x 4 x 3 +2x2Ch. 14.3 - R( x )= x 3 + x 2 +3x+3 x 4 + x 3 +2x+2Ch. 14.3 - R( x )= x 3 2 x 2 +4x8 x 2 +x6Ch. 14.3 - R( x )= x 3 x 2 +3x3 x 2 +3x4Ch. 14.3 - R( x )= x 3 +2 x 2 +x x 4 + x 3 +2x+2Ch. 14.3 - R( x )= x 3 3 x 2 +4x12 x 4 3 x 3 +x3Ch. 14.3 - R( x )= x 3 x 2 +x1 x 4 x 3 +2x2 Graph R(x) .Ch. 14.3 - R( x )= x 3 + x 2 +3x+3 x 4 + x 3 +2x+2 Graph R( x...Ch. 14.3 - R(x)= ( x 3 2 x 2 +4x8) ( x 2 +x6) Graph R( x ) .Ch. 14.3 - Prob. 86SBCh. 14.3 - Prob. 87SBCh. 14.3 - Prob. 88SBCh. 14.3 - Prob. 89DWCh. 14.3 - Prob. 90DWCh. 14.3 - Prob. 91RYKCh. 14.3 - Evaluate the permutation P( 5,3 ) .Ch. 14.3 - Prob. 93RYKCh. 14.3 - Prob. 94RYKCh. 14.4 - Find an equation of the line with slope 5...Ch. 14.4 - Prob. 2AYPCh. 14.4 - Prob. 3CVCh. 14.4 - Prob. 4CVCh. 14.4 - Prob. 5CVCh. 14.4 - Prob. 6CVCh. 14.4 - Prob. 7CVCh. 14.4 - Prob. 8CVCh. 14.4 - Prob. 9SBCh. 14.4 - Prob. 10SBCh. 14.4 - Prob. 11SBCh. 14.4 - Prob. 12SBCh. 14.4 - Prob. 13SBCh. 14.4 - Prob. 14SBCh. 14.4 - Prob. 15SBCh. 14.4 - Prob. 16SBCh. 14.4 - Prob. 17SBCh. 14.4 - Prob. 18SBCh. 14.4 - Prob. 19SBCh. 14.4 - Prob. 20SBCh. 14.4 - Prob. 21SBCh. 14.4 - Prob. 22SBCh. 14.4 - Prob. 23SBCh. 14.4 - Prob. 24SBCh. 14.4 - Prob. 25SBCh. 14.4 - Prob. 26SBCh. 14.4 - Prob. 27SBCh. 14.4 - Prob. 28SBCh. 14.4 - Prob. 29SBCh. 14.4 - Prob. 30SBCh. 14.4 - Prob. 31SBCh. 14.4 - f( x )=cosx at 0Ch. 14.4 - Prob. 33SBCh. 14.4 - Prob. 34SBCh. 14.4 - Prob. 35SBCh. 14.4 - Prob. 36SBCh. 14.4 - Prob. 37SBCh. 14.4 - Prob. 38SBCh. 14.4 - Prob. 39SBCh. 14.4 - Prob. 40SBCh. 14.4 - Prob. 41SBCh. 14.4 - Prob. 42SBCh. 14.4 - Prob. 43AECh. 14.4 - Prob. 44AECh. 14.4 - Prob. 45AECh. 14.4 - Prob. 46AECh. 14.4 - Prob. 47AECh. 14.4 - Instantaneous Velocity of a Ball In physics it is...Ch. 14.4 - Instantaneous Velocity on the Moon Neil Armstrong...Ch. 14.4 - Instantaneous Rate of Change The following data...Ch. 14.4 - Prob. 51RYKCh. 14.4 - Prob. 52RYKCh. 14.4 - Prob. 53RYKCh. 14.4 - Prob. 54RYKCh. 14.5 - In Problems 29-32, find the first five terms in...Ch. 14.5 - Prob. 2AYPCh. 14.5 - Prob. 3CVCh. 14.5 - Prob. 4CVCh. 14.5 - Prob. 5SBCh. 14.5 - Prob. 6SBCh. 14.5 - Prob. 7SBCh. 14.5 - Prob. 8SBCh. 14.5 - Prob. 9SBCh. 14.5 - Repeat Problem 9 for f( x )=4x .Ch. 14.5 - Prob. 11SBCh. 14.5 - Prob. 12SBCh. 14.5 - Prob. 13SBCh. 14.5 - Prob. 14SBCh. 14.5 - Prob. 15SBCh. 14.5 - Prob. 16SBCh. 14.5 - Prob. 17SBCh. 14.5 - Prob. 18SBCh. 14.5 - Prob. 19SBCh. 14.5 - Prob. 20SBCh. 14.5 - Prob. 21SBCh. 14.5 - Prob. 22SBCh. 14.5 - Prob. 23SBCh. 14.5 - Prob. 24SBCh. 14.5 - Prob. 25SBCh. 14.5 - Prob. 26SBCh. 14.5 - Prob. 27SBCh. 14.5 - Prob. 28SBCh. 14.5 - Prob. 29SBCh. 14.5 - Prob. 30SBCh. 14.5 - Prob. 31SBCh. 14.5 - Consider the function f( x )= 1 x 2 whose domain...Ch. 14.5 - Graph the function f( x )= log 2 x .Ch. 14.5 - If A=[ 1 2 3 4 ] and B=[ 5 6 0 7 8 1 ] , find AB .Ch. 14.5 - If f( x )=2 x 2 +3x+1 , find f( x+h )f( x ) h and...Ch. 14.5 - Prob. 36RYK
Additional Math Textbook Solutions
Find more solutions based on key concepts
Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient a and ...
College Algebra with Modeling & Visualization (5th Edition)
a. In how many ways can 3 boys and 3 girls sit in a row?
b. In how many ways can 3 boys and 3 girls sit in a r...
A First Course in Probability (10th Edition)
Finding the Margin of Error In Exercises 33 and 34, use the confidence interval to find the estimated margin of...
Elementary Statistics: Picturing the World (7th Edition)
Explain the meaning of the term “statistically significant difference” in statistics terminology.
Intro Stats, Books a la Carte Edition (5th Edition)
CHECK POINT 1 Find a counterexample to show that the statement The product of two two-digit numbers is a three-...
Thinking Mathematically (6th Edition)
Fill in each blank so that the resulting statement is true. An equation that expresses a relationship between t...
Algebra and Trigonometry (6th Edition)
Knowledge Booster
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
- 48. f(x) = { 4 x if x < 2 2x 2 if x 2arrow_forwardГ 49. -x+1 if x 1 Answer ->arrow_forwardA Content X MindTap - Cengage Learning x Function Evaluations x + /ui/evo/index.html?elSBN=9780357038406&id=339416021&snapshotld=877369& GE MINDTAP , Limits, and the Derivative ⭑ វា a ANSWEI 16. Refer to the graph of the function f in the following figure. कर्ट AA C 54 -3-2 7 7 Ay 6. S 5. y=f(x) 4 3. 2. 1 -3- 34567 8 00 9 10 a. Find the value of ƒ (7). b. Find the values of x corresponding to the point(s) on the graph of ƒ located at a height of 5 units from the x-axis. c. Find the point on the x-axis at which the graph of ƒ crosses it. What is the value of f (x) at this point? d. Find the domain and range of f. MacBook Pro G Search or type URL + > % Λ & 5 6 7 29 ( 8 9 0arrow_forward
- Morgan F. - C X A Courses MindTap - Cengage Learning Х Domain of Square Roots X + gage.com/static/nb/ui/evo/index.html?elSBN 9780357038406&id=339416021&snapshotld=877369& CENGAGE MINDTAP 2: Functions, Limits, and the Derivative 47. x if x < 0 f(x) = 2x+1 if x 0 Answerarrow_forwardA Content MindTap - Cengage Learning × Function Evaluations * + c/nb/ui/evo/index.html?elSBN 9780357038406&id=339416021&snapshotld=877369& GAGE MINDTAP ions, Limits, and the Derivative 15. Refer to the graph of the function f in the following figure. 6 y = f(x) 5 4+ 3- 2- 1 + 2 -1 3 4 5 6 a. Find the value of ƒ (0). Answer-> b. Find the value of x for which (i) f (x) = 3 and (ii) f (x) = 0. Answer ▾ c. Find the domain of f. Answer + d. Find the range of f. Answer+ MacBook Proarrow_forwardAnswer-> 12. Let g be the function defined by Find g(-2), g(0), g (2), and g (4). - +1 if x <2 g(x) = √√√x-2 if x 2arrow_forward
- 13. Let f be the function defined by Find f (-1), f (0), ƒ (1) and ƒ (2). Answer f(x) = .2 J-x² +3 if x <1 2x²+1 2x²+1 if x ≥ 1arrow_forwardΛ Content Mind Tap - Cengage Learning × Function Evaluations x + c/nb/ui/evo/index.html?elSBN 9780357038406&id=339416021&snapshotld=877369& GAGE MINDTAP ons, Limits, and the Derivative 14. Let f be the function defined by Find f (0), f (1), and f (2). 2+1 x if x 1 if x 1 f(x) = 1 1-xarrow_forwardA Content c/nb/ui/evo/index.html?elSBN 9780357038406&id=339416021&snapshotld=877369& GAGE MINDTAP ons, Limits, and the Derivative 11. Let f be the function defined by Find f (-2), f (0), and f (1). Answer f(x) = [ x² + 1 if x ≤ 0 if x > 0arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
College AlgebraAlgebraISBN:9781305115545Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage
College Algebra
Algebra
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Algebra: Structure And Method, Book 1
Algebra
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:McDougal Littell
Inverse Functions; Author: Professor Dave Explains;https://www.youtube.com/watch?v=9fJsrnE1go0;License: Standard YouTube License, CC-BY