Basic Technical Mathematics
11th Edition
ISBN: 9780134437705
Author: Washington
Publisher: PEARSON
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Chapter 13.1, Problem 9E
(a)
To determine
Whether the function
(b)
To determine
Whether the function
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4-5.5 A manufacturer of capacitors claims the breakdown voltage has a mean value of at least 1 00 V. A test of nine capacitors yielded breakdown voltages of 97, 1 04, 95, 98, 1 06, 92, 1 1 0, 1 03, and 93 V.
a) Find the sample mean.
b) Find the sample variance using an unbiased estimate.
c) Is the manufacturer's claim valid if a confidence level of 95% is employed?
Course Name: Calculus with Analytical Geometry-1
Course Code: MATH 132
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Please solve the problem and sketch the graph with paper and pen or pencil
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Find the domain and ranges of the following
b)
f(x)=4x²-8x+7
Course Name: Calculus with Analytical Geometry-1
Course Code: MATH 132
Do not use Artificial Intelligent Apps
Instruction:
1. Solution must be hand-written
2. Step by step clear explanation
Please solve the problem and sketch the graph with paper and pen or pencil
3.
Find the domain and ranges of the following
√x-2
a)
f(x)=
x²-9
Chapter 13 Solutions
Basic Technical Mathematics
Ch. 13.1 - Evaluate for:
1.
Ch. 13.1 - Prob. 2PECh. 13.1 - Prob. 1ECh. 13.1 - Prob. 2ECh. 13.1 - Prob. 3ECh. 13.1 - Prob. 4ECh. 13.1 - In Exercises 3–6, use a calculator to evaluate (to...Ch. 13.1 - Prob. 6ECh. 13.1 - Prob. 7ECh. 13.1 - In Exercises 7–10, determine if the given...
Ch. 13.1 - Prob. 9ECh. 13.1 - In Exercises 7–10, determine if the given...Ch. 13.1 - Prob. 11ECh. 13.1 - In Exercises 11–16, evaluate the exponential...Ch. 13.1 - Prob. 13ECh. 13.1 - Prob. 14ECh. 13.1 - Prob. 15ECh. 13.1 - Prob. 16ECh. 13.1 - Prob. 17ECh. 13.1 - Prob. 18ECh. 13.1 - Prob. 19ECh. 13.1 - Prob. 20ECh. 13.1 - Prob. 21ECh. 13.1 - Prob. 22ECh. 13.1 - Prob. 23ECh. 13.1 - Prob. 24ECh. 13.1 - Prob. 25ECh. 13.1 - Prob. 26ECh. 13.1 - Prob. 27ECh. 13.1 - Prob. 28ECh. 13.1 - Prob. 29ECh. 13.1 - Prob. 30ECh. 13.1 - Prob. 31ECh. 13.1 - Prob. 32ECh. 13.1 - Prob. 33ECh. 13.1 - Prob. 34ECh. 13.1 - Prob. 35ECh. 13.1 - Prob. 36ECh. 13.1 - Prob. 37ECh. 13.1 - Prob. 38ECh. 13.1 - Prob. 39ECh. 13.1 - In Exercises 3146, solve the given problems.
40. A...Ch. 13.1 - Prob. 41ECh. 13.1 - Prob. 42ECh. 13.1 - In Exercises 3146, solve the given problems.
43....Ch. 13.1 - Prob. 44ECh. 13.1 - Prob. 45ECh. 13.1 - Prob. 46ECh. 13.2 - Change 1252/3 = 25 to logarithmic form.
Ch. 13.2 - Prob. 2PECh. 13.2 - Prob. 3PECh. 13.2 - Prob. 4PECh. 13.2 - Prob. 5PECh. 13.2 - Prob. 1ECh. 13.2 - Prob. 2ECh. 13.2 - Prob. 3ECh. 13.2 - Prob. 4ECh. 13.2 - In Exercises 5–16, express the given equations in...Ch. 13.2 - In Exercises 5–16, express the given equations in...Ch. 13.2 - In Exercises 5–16, express the given equations in...Ch. 13.2 - Prob. 8ECh. 13.2 - In Exercises 5–16, express the given equations in...Ch. 13.2 - Prob. 10ECh. 13.2 - In Exercises 5–16, express the given equations in...Ch. 13.2 - Prob. 12ECh. 13.2 - Prob. 13ECh. 13.2 - Prob. 14ECh. 13.2 - Prob. 15ECh. 13.2 - In Exercises 5–16, express the given equations in...Ch. 13.2 - In Exercises 17–28, express the given equations in...Ch. 13.2 - Prob. 18ECh. 13.2 - In Exercises 17–28, express the given equations in...Ch. 13.2 - In Exercises 17–28, express the given equations in...Ch. 13.2 - In Exercises 17–28, express the given equations in...Ch. 13.2 - Prob. 22ECh. 13.2 - Prob. 23ECh. 13.2 - Prob. 24ECh. 13.2 - Prob. 25ECh. 13.2 - Prob. 26ECh. 13.2 - Prob. 27ECh. 13.2 - Prob. 28ECh. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - In Exercises 29–44, determine the value of the...Ch. 13.2 - Prob. 37ECh. 13.2 - Prob. 38ECh. 13.2 - Prob. 39ECh. 13.2 - Prob. 40ECh. 13.2 - Prob. 41ECh. 13.2 - Prob. 42ECh. 13.2 - Prob. 43ECh. 13.2 - Prob. 44ECh. 13.2 - Prob. 45ECh. 13.2 - Prob. 46ECh. 13.2 - Prob. 47ECh. 13.2 - Prob. 48ECh. 13.2 - Prob. 49ECh. 13.2 - Prob. 50ECh. 13.2 - Prob. 51ECh. 13.2 - Prob. 52ECh. 13.2 - Prob. 53ECh. 13.2 - Prob. 54ECh. 13.2 - Prob. 55ECh. 13.2 - Prob. 56ECh. 13.2 - Prob. 57ECh. 13.2 - Prob. 58ECh. 13.2 - Prob. 59ECh. 13.2 - Prob. 60ECh. 13.2 - Prob. 61ECh. 13.2 - Prob. 62ECh. 13.2 - Prob. 63ECh. 13.2 - Prob. 64ECh. 13.2 - Prob. 65ECh. 13.2 - Prob. 66ECh. 13.2 - Prob. 67ECh. 13.2 - Prob. 68ECh. 13.2 - Prob. 69ECh. 13.2 - Prob. 70ECh. 13.2 - Prob. 71ECh. 13.2 - Prob. 72ECh. 13.2 - Prob. 73ECh. 13.2 - Prob. 74ECh. 13.2 - Prob. 75ECh. 13.2 - Prob. 76ECh. 13.2 - Prob. 77ECh. 13.2 - Prob. 78ECh. 13.2 - Prob. 79ECh. 13.2 - Prob. 80ECh. 13.3 - Practice Exercises
Express as a sum or difference...Ch. 13.3 - Prob. 2PECh. 13.3 - Prob. 3PECh. 13.3 - Prob. 4PECh. 13.3 - Prob. 1ECh. 13.3 - Prob. 2ECh. 13.3 - Prob. 3ECh. 13.3 - Prob. 4ECh. 13.3 - Prob. 5ECh. 13.3 - Prob. 6ECh. 13.3 - Prob. 7ECh. 13.3 - Prob. 8ECh. 13.3 - Prob. 9ECh. 13.3 - In Exercises 9–20, express each as a sum,...Ch. 13.3 - Prob. 11ECh. 13.3 - Prob. 12ECh. 13.3 - Prob. 13ECh. 13.3 - Prob. 14ECh. 13.3 - Prob. 15ECh. 13.3 - Prob. 16ECh. 13.3 - Prob. 17ECh. 13.3 - Prob. 18ECh. 13.3 - Prob. 19ECh. 13.3 - Prob. 20ECh. 13.3 - In Exercises 21–28, express each as the logarithm...Ch. 13.3 - In Exercises 21–28, express each as the logarithm...Ch. 13.3 - In Exercises 21–28, express each as the logarithm...Ch. 13.3 - In Exercises 21–28, express each as the logarithm...Ch. 13.3 - In Exercises 21–28, express each as the logarithm...Ch. 13.3 - In Exercises 21–28, express each as the logarithm...Ch. 13.3 - Prob. 27ECh. 13.3 - Prob. 28ECh. 13.3 - Prob. 29ECh. 13.3 - In Exercises 29–36, determine the exact value of...Ch. 13.3 - Prob. 31ECh. 13.3 - Prob. 32ECh. 13.3 - Prob. 33ECh. 13.3 - Prob. 34ECh. 13.3 - Prob. 35ECh. 13.3 - Prob. 36ECh. 13.3 - Prob. 37ECh. 13.3 - Prob. 38ECh. 13.3 - Prob. 39ECh. 13.3 - In Exercises 37–44, express each as a sum,...Ch. 13.3 - Prob. 41ECh. 13.3 - Prob. 42ECh. 13.3 - Prob. 43ECh. 13.3 - Prob. 44ECh. 13.3 - In Exercises 45–56, solve for y in terms of...Ch. 13.3 - In Exercises 45–56, solve for y in terms of...Ch. 13.3 - In Exercises 45–56, solve for y in terms of...Ch. 13.3 - Prob. 48ECh. 13.3 - Prob. 49ECh. 13.3 - Prob. 50ECh. 13.3 - Prob. 51ECh. 13.3 - Prob. 52ECh. 13.3 - Prob. 53ECh. 13.3 - Prob. 54ECh. 13.3 - In Exercises 45–56, solve for y in terms of...Ch. 13.3 - Prob. 56ECh. 13.3 - Prob. 57ECh. 13.3 - Prob. 58ECh. 13.3 - Prob. 59ECh. 13.3 - Prob. 60ECh. 13.3 - Prob. 61ECh. 13.3 - Prob. 62ECh. 13.3 - Prob. 63ECh. 13.3 - Prob. 64ECh. 13.3 - Prob. 65ECh. 13.3 - Prob. 66ECh. 13.3 - Prob. 67ECh. 13.3 - Prob. 68ECh. 13.3 - Prob. 69ECh. 13.3 - Prob. 70ECh. 13.4 - Prob. 1PECh. 13.4 - Prob. 2PECh. 13.4 - In Exercises 1 and 2, find the indicated values if...Ch. 13.4 - Prob. 2ECh. 13.4 - Prob. 3ECh. 13.4 - In Exercises 3–12, find the common logarithm of...Ch. 13.4 - Prob. 5ECh. 13.4 - Prob. 6ECh. 13.4 - Prob. 7ECh. 13.4 - Prob. 8ECh. 13.4 - Prob. 9ECh. 13.4 - Prob. 10ECh. 13.4 - Prob. 11ECh. 13.4 - Prob. 12ECh. 13.4 - In Exercises 13–20, find the antilogarithm of each...Ch. 13.4 - In Exercises 13–20, find the antilogarithm of each...Ch. 13.4 - Prob. 15ECh. 13.4 - In Exercises 13–20, find the antilogarithm of each...Ch. 13.4 - Prob. 17ECh. 13.4 - Prob. 18ECh. 13.4 - Prob. 19ECh. 13.4 - Prob. 20ECh. 13.4 - Prob. 21ECh. 13.4 - In Exercises 21–24, use logarithms to evaluate the...Ch. 13.4 - In Exercises 21–24, use logarithms to evaluate the...Ch. 13.4 - In Exercises 21–24, use logarithms to evaluate the...Ch. 13.4 - Prob. 25ECh. 13.4 - Prob. 26ECh. 13.4 - Prob. 27ECh. 13.4 - Prob. 28ECh. 13.4 - Prob. 29ECh. 13.4 - In Exercises 29–32, find the logarithms of the...Ch. 13.4 - Prob. 31ECh. 13.4 - Prob. 32ECh. 13.4 - Prob. 33ECh. 13.4 - Prob. 34ECh. 13.4 - Prob. 35ECh. 13.4 - Prob. 36ECh. 13.4 - Prob. 37ECh. 13.4 - Prob. 38ECh. 13.4 - Prob. 39ECh. 13.4 - Prob. 40ECh. 13.4 - Prob. 41ECh. 13.4 - Prob. 42ECh. 13.4 - Prob. 43ECh. 13.4 - Prob. 44ECh. 13.5 - Find log3 23.
Ch. 13.5 - Prob. 2PECh. 13.5 - Prob. 3PECh. 13.5 - In Exercises 1 and 2, find the indicated values if...Ch. 13.5 - Prob. 2ECh. 13.5 - Prob. 3ECh. 13.5 - In Exercises 3–8, use logarithms to the base 10 to...Ch. 13.5 - Prob. 5ECh. 13.5 - Prob. 6ECh. 13.5 - Prob. 7ECh. 13.5 - Prob. 8ECh. 13.5 - Prob. 9ECh. 13.5 - In Exercises 9–14, use logarithms to the base 10...Ch. 13.5 - Prob. 11ECh. 13.5 - Prob. 12ECh. 13.5 - Prob. 13ECh. 13.5 - Prob. 14ECh. 13.5 - Prob. 15ECh. 13.5 - Prob. 16ECh. 13.5 - Prob. 17ECh. 13.5 - Prob. 18ECh. 13.5 - Prob. 19ECh. 13.5 - In Exercises 15–22, find the natural logarithms of...Ch. 13.5 - In Exercises 15–22, find the natural logarithms of...Ch. 13.5 - Prob. 22ECh. 13.5 - In Exercises 23–30, find the natural...Ch. 13.5 - In Exercises 23–30, find the natural...Ch. 13.5 - In Exercises 23–30, find the natural...Ch. 13.5 - In Exercises 23–30, find the natural...Ch. 13.5 - In Exercises 23–30, find the natural...Ch. 13.5 - In Exercises 23–30, find the natural...Ch. 13.5 - Prob. 29ECh. 13.5 - In Exercises 23–30, find the natural...Ch. 13.5 - Prob. 31ECh. 13.5 - Prob. 32ECh. 13.5 - Prob. 33ECh. 13.5 - Prob. 34ECh. 13.5 - Prob. 35ECh. 13.5 - Prob. 36ECh. 13.5 - Prob. 37ECh. 13.5 - Prob. 38ECh. 13.5 - Prob. 39ECh. 13.5 - Prob. 40ECh. 13.5 - Prob. 41ECh. 13.5 - Prob. 42ECh. 13.5 - Prob. 43ECh. 13.5 - Prob. 44ECh. 13.5 - Prob. 45ECh. 13.5 - Prob. 46ECh. 13.5 - Prob. 47ECh. 13.5 - In Exercises 39–54, solve the given...Ch. 13.5 - Prob. 49ECh. 13.5 - Prob. 50ECh. 13.5 - Prob. 51ECh. 13.5 - Prob. 52ECh. 13.5 - Prob. 53ECh. 13.5 - Prob. 54ECh. 13.6 - Solve for x: 2x+1 = 7
Ch. 13.6 - Prob. 2PECh. 13.6 - Prob. 3PECh. 13.6 - Prob. 1ECh. 13.6 - Prob. 2ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 6ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 9ECh. 13.6 - Prob. 10ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 12ECh. 13.6 - Prob. 13ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 17ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 20ECh. 13.6 - Prob. 21ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 23ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 26ECh. 13.6 - Prob. 27ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 29ECh. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - In Exercises 3–32, solve the given...Ch. 13.6 - Prob. 32ECh. 13.6 - Prob. 33ECh. 13.6 - In Exercises 33–42, use a calculator to solve the...Ch. 13.6 - Prob. 35ECh. 13.6 - Prob. 36ECh. 13.6 - Prob. 37ECh. 13.6 - Prob. 38ECh. 13.6 - Prob. 39ECh. 13.6 - Prob. 40ECh. 13.6 - Prob. 41ECh. 13.6 - Prob. 42ECh. 13.6 - Prob. 43ECh. 13.6 - Prob. 44ECh. 13.6 - Prob. 45ECh. 13.6 - Prob. 46ECh. 13.6 - Prob. 47ECh. 13.6 - Prob. 48ECh. 13.6 - Prob. 49ECh. 13.6 - Prob. 50ECh. 13.6 - Prob. 51ECh. 13.6 - Prob. 52ECh. 13.6 - Prob. 53ECh. 13.6 - Prob. 54ECh. 13.6 - Prob. 55ECh. 13.6 - Prob. 56ECh. 13.6 - Prob. 57ECh. 13.6 - Prob. 58ECh. 13.6 - Prob. 59ECh. 13.6 - Prob. 60ECh. 13.6 - Prob. 61ECh. 13.6 - Prob. 62ECh. 13.6 - Prob. 63ECh. 13.6 - Prob. 64ECh. 13.6 - Many exponential and logarithmic equations cannot...Ch. 13.6 - Prob. 66ECh. 13.7 - Prob. 1ECh. 13.7 - Prob. 2ECh. 13.7 - Prob. 3ECh. 13.7 - Prob. 4ECh. 13.7 - Prob. 5ECh. 13.7 - Prob. 6ECh. 13.7 - Prob. 7ECh. 13.7 - Prob. 8ECh. 13.7 - Prob. 9ECh. 13.7 - Prob. 10ECh. 13.7 - Prob. 11ECh. 13.7 - Prob. 12ECh. 13.7 - Prob. 13ECh. 13.7 - Prob. 14ECh. 13.7 - Prob. 15ECh. 13.7 - Prob. 16ECh. 13.7 - Prob. 17ECh. 13.7 - Prob. 18ECh. 13.7 - Prob. 19ECh. 13.7 - Prob. 20ECh. 13.7 - Prob. 21ECh. 13.7 - Prob. 22ECh. 13.7 - Prob. 23ECh. 13.7 - Prob. 24ECh. 13.7 - Prob. 25ECh. 13.7 - Prob. 26ECh. 13.7 - Prob. 27ECh. 13.7 - Prob. 28ECh. 13.7 - Prob. 29ECh. 13.7 - Prob. 30ECh. 13.7 - Prob. 31ECh. 13.7 - Prob. 32ECh. 13.7 - Prob. 33ECh. 13.7 - Prob. 34ECh. 13.7 - Prob. 35ECh. 13.7 - Prob. 36ECh. 13.7 - Prob. 37ECh. 13.7 - Prob. 38ECh. 13.7 - Prob. 39ECh. 13.7 - Prob. 40ECh. 13 - Prob. 1RECh. 13 - Prob. 2RECh. 13 - Prob. 3RECh. 13 - Prob. 4RECh. 13 - Prob. 5RECh. 13 - Prob. 6RECh. 13 - Prob. 7RECh. 13 - Prob. 8RECh. 13 - Prob. 9RECh. 13 - Prob. 10RECh. 13 - Prob. 11RECh. 13 - Prob. 12RECh. 13 - Prob. 13RECh. 13 - Prob. 14RECh. 13 - Prob. 15RECh. 13 - Prob. 16RECh. 13 - Prob. 17RECh. 13 - Prob. 18RECh. 13 - Prob. 19RECh. 13 - Prob. 20RECh. 13 - Prob. 21RECh. 13 - Prob. 22RECh. 13 - In Exercises 19–30, express each as a sum,...Ch. 13 - Prob. 24RECh. 13 - Prob. 25RECh. 13 - Prob. 26RECh. 13 - Prob. 27RECh. 13 - Prob. 28RECh. 13 - Prob. 29RECh. 13 - Prob. 30RECh. 13 - Prob. 31RECh. 13 - Prob. 32RECh. 13 - Prob. 33RECh. 13 - Prob. 34RECh. 13 - Prob. 35RECh. 13 - Prob. 36RECh. 13 - Prob. 37RECh. 13 - Prob. 38RECh. 13 - Prob. 39RECh. 13 - Prob. 40RECh. 13 - Prob. 41RECh. 13 - Prob. 42RECh. 13 - In Exercises 43–50, display the graphs of the...Ch. 13 - Prob. 44RECh. 13 - Prob. 45RECh. 13 - Prob. 46RECh. 13 - Prob. 47RECh. 13 - Prob. 48RECh. 13 - Prob. 49RECh. 13 - Prob. 50RECh. 13 - Prob. 51RECh. 13 - Prob. 52RECh. 13 - Prob. 53RECh. 13 - Prob. 54RECh. 13 - Prob. 55RECh. 13 - Prob. 56RECh. 13 - Prob. 57RECh. 13 - Prob. 58RECh. 13 - Prob. 59RECh. 13 - Prob. 60RECh. 13 - Prob. 61RECh. 13 - Prob. 62RECh. 13 - Prob. 63RECh. 13 - Prob. 64RECh. 13 - Prob. 65RECh. 13 - Prob. 66RECh. 13 - Prob. 67RECh. 13 - Prob. 68RECh. 13 - Prob. 69RECh. 13 - Prob. 70RECh. 13 - Prob. 71RECh. 13 - Prob. 72RECh. 13 - Prob. 73RECh. 13 - Prob. 74RECh. 13 - Prob. 75RECh. 13 - Prob. 76RECh. 13 - Prob. 77RECh. 13 - Prob. 78RECh. 13 - Prob. 79RECh. 13 - Prob. 80RECh. 13 - Prob. 81RECh. 13 - Prob. 82RECh. 13 - Prob. 83RECh. 13 - Prob. 84RECh. 13 - Prob. 85RECh. 13 - Prob. 86RECh. 13 - Prob. 87RECh. 13 - Prob. 88RECh. 13 - Prob. 89RECh. 13 - Prob. 90RECh. 13 - Prob. 91RECh. 13 - In Exercises 76–112, solve the given problems.
92....Ch. 13 - Prob. 93RECh. 13 - Prob. 94RECh. 13 - Prob. 95RECh. 13 - In Exercises 76–112, solve the given problems.
96....Ch. 13 - Prob. 97RECh. 13 - Prob. 98RECh. 13 - Prob. 99RECh. 13 - Prob. 100RECh. 13 - Prob. 101RECh. 13 - Prob. 102RECh. 13 - Prob. 103RECh. 13 - Prob. 104RECh. 13 - Prob. 105RECh. 13 - Prob. 106RECh. 13 - Prob. 107RECh. 13 - Prob. 108RECh. 13 - Prob. 109RECh. 13 - Prob. 110RECh. 13 - Prob. 111RECh. 13 - Prob. 112RECh. 13 - Prob. 113RECh. 13 - Prob. 1PTCh. 13 - Prob. 2PTCh. 13 - Prob. 3PTCh. 13 - Prob. 4PTCh. 13 - Prob. 5PTCh. 13 - Prob. 6PTCh. 13 - Prob. 7PTCh. 13 - Prob. 8PTCh. 13 - Prob. 9PTCh. 13 - Prob. 10PTCh. 13 - Prob. 11PTCh. 13 - Prob. 12PT
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ISBN:9780134683713
Author:Robert F. Blitzer
Publisher:PEARSON
Discrete Mathematics With Applications
Math
ISBN:9781337694193
Author:EPP, Susanna S.
Publisher:Cengage Learning,
Pathways To Math Literacy (looseleaf)
Math
ISBN:9781259985607
Author:David Sobecki Professor, Brian A. Mercer
Publisher:McGraw-Hill Education
Implicit Differentiation with Transcendental Functions; Author: Mathispower4u;https://www.youtube.com/watch?v=16WoO59R88w;License: Standard YouTube License, CC-BY
How to determine the difference between an algebraic and transcendental expression; Author: Study Force;https://www.youtube.com/watch?v=xRht10w7ZOE;License: Standard YouTube License, CC-BY