EBK APPLIED CALCULUS, ENHANCED ETEXT
6th Edition
ISBN: 9781119399353
Author: DA
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 1.8, Problem 15P
To determine
(a)
To write the function
To determine
(b)
To write the function
To determine
(c)
To write the function
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 1 Solutions
EBK APPLIED CALCULUS, ENHANCED ETEXT
Ch. 1.1 - Prob. 1PCh. 1.1 - Prob. 2PCh. 1.1 - Prob. 3PCh. 1.1 - Prob. 4PCh. 1.1 - Prob. 5PCh. 1.1 - Prob. 6PCh. 1.1 - Prob. 7PCh. 1.1 - Prob. 8PCh. 1.1 - Prob. 9PCh. 1.1 - Prob. 10P
Ch. 1.1 - Prob. 11PCh. 1.1 - Prob. 12PCh. 1.1 - Prob. 13PCh. 1.1 - Prob. 14PCh. 1.1 - Prob. 15PCh. 1.1 - Prob. 16PCh. 1.1 - Prob. 17PCh. 1.1 - Prob. 18PCh. 1.1 - Prob. 19PCh. 1.1 - Prob. 20PCh. 1.1 - Prob. 21PCh. 1.1 - Prob. 22PCh. 1.1 - Prob. 23PCh. 1.1 - Prob. 24PCh. 1.1 - Prob. 25PCh. 1.1 - Prob. 26PCh. 1.1 - Prob. 27PCh. 1.1 - Prob. 28PCh. 1.1 - Prob. 29PCh. 1.1 - Prob. 30PCh. 1.1 - Prob. 31PCh. 1.1 - Prob. 32PCh. 1.1 - Prob. 33PCh. 1.1 - Prob. 34PCh. 1.1 - Prob. 35PCh. 1.1 - Prob. 36PCh. 1.1 - Prob. 37PCh. 1.1 - Prob. 38PCh. 1.1 - Prob. 39PCh. 1.1 - Prob. 40PCh. 1.2 - Prob. 1PCh. 1.2 - Prob. 2PCh. 1.2 - Prob. 3PCh. 1.2 - Prob. 4PCh. 1.2 - Prob. 5PCh. 1.2 - Prob. 6PCh. 1.2 - Prob. 7PCh. 1.2 - Prob. 8PCh. 1.2 - Prob. 9PCh. 1.2 - Prob. 10PCh. 1.2 - Prob. 11PCh. 1.2 - Prob. 12PCh. 1.2 - Prob. 13PCh. 1.2 - Prob. 14PCh. 1.2 - Prob. 15PCh. 1.2 - Prob. 16PCh. 1.2 - Prob. 17PCh. 1.2 - Prob. 18PCh. 1.2 - Prob. 19PCh. 1.2 - Prob. 20PCh. 1.2 - Prob. 21PCh. 1.2 - Prob. 22PCh. 1.2 - Prob. 23PCh. 1.2 - Prob. 24PCh. 1.2 - Prob. 25PCh. 1.2 - Prob. 26PCh. 1.2 - Prob. 27PCh. 1.2 - Prob. 28PCh. 1.2 - Prob. 29PCh. 1.2 - Prob. 30PCh. 1.2 - Prob. 31PCh. 1.2 - Prob. 32PCh. 1.2 - Prob. 33PCh. 1.2 - Prob. 34PCh. 1.2 - Prob. 35PCh. 1.2 - Prob. 36PCh. 1.2 - Prob. 37PCh. 1.2 - Prob. 38PCh. 1.2 - Prob. 39PCh. 1.2 - Prob. 40PCh. 1.2 - Prob. 41PCh. 1.2 - Prob. 42PCh. 1.2 - Prob. 43PCh. 1.3 - Prob. 1PCh. 1.3 - Prob. 2PCh. 1.3 - Prob. 3PCh. 1.3 - Prob. 4PCh. 1.3 - Prob. 5PCh. 1.3 - Prob. 6PCh. 1.3 - Prob. 7PCh. 1.3 - Prob. 8PCh. 1.3 - Prob. 9PCh. 1.3 - Prob. 10PCh. 1.3 - Prob. 11PCh. 1.3 - Prob. 12PCh. 1.3 - Prob. 13PCh. 1.3 - Prob. 14PCh. 1.3 - Prob. 15PCh. 1.3 - Prob. 16PCh. 1.3 - Prob. 17PCh. 1.3 - Prob. 18PCh. 1.3 - Prob. 19PCh. 1.3 - Prob. 20PCh. 1.3 - Prob. 21PCh. 1.3 - Prob. 22PCh. 1.3 - Prob. 23PCh. 1.3 - Prob. 24PCh. 1.3 - Prob. 25PCh. 1.3 - Prob. 26PCh. 1.3 - Prob. 27PCh. 1.3 - Prob. 28PCh. 1.3 - Prob. 29PCh. 1.3 - Prob. 30PCh. 1.3 - Prob. 31PCh. 1.3 - Prob. 32PCh. 1.3 - Prob. 33PCh. 1.3 - Prob. 34PCh. 1.3 - Prob. 35PCh. 1.3 - Prob. 36PCh. 1.3 - Prob. 37PCh. 1.3 - Prob. 38PCh. 1.3 - Prob. 39PCh. 1.3 - Prob. 40PCh. 1.3 - Prob. 41PCh. 1.3 - Prob. 42PCh. 1.3 - Prob. 43PCh. 1.3 - Prob. 44PCh. 1.3 - Prob. 45PCh. 1.3 - Prob. 46PCh. 1.3 - Prob. 47PCh. 1.3 - Prob. 48PCh. 1.3 - Prob. 49PCh. 1.3 - Prob. 50PCh. 1.3 - Prob. 51PCh. 1.3 - Prob. 52PCh. 1.3 - Prob. 53PCh. 1.3 - Prob. 54PCh. 1.3 - Prob. 55PCh. 1.3 - Prob. 56PCh. 1.3 - Prob. 57PCh. 1.3 - Prob. 58PCh. 1.3 - Prob. 59PCh. 1.3 - Prob. 60PCh. 1.3 - Prob. 61PCh. 1.4 - Prob. 1PCh. 1.4 - Prob. 2PCh. 1.4 - Prob. 3PCh. 1.4 - Prob. 4PCh. 1.4 - Prob. 5PCh. 1.4 - Prob. 6PCh. 1.4 - Prob. 7PCh. 1.4 - Prob. 8PCh. 1.4 - Prob. 9PCh. 1.4 - Prob. 10PCh. 1.4 - Prob. 11PCh. 1.4 - Prob. 12PCh. 1.4 - Prob. 13PCh. 1.4 - Prob. 14PCh. 1.4 - Prob. 15PCh. 1.4 - Prob. 16PCh. 1.4 - Prob. 17PCh. 1.4 - Prob. 18PCh. 1.4 - Prob. 19PCh. 1.4 - Prob. 20PCh. 1.4 - Prob. 21PCh. 1.4 - Prob. 22PCh. 1.4 - Prob. 23PCh. 1.4 - Prob. 24PCh. 1.4 - Prob. 25PCh. 1.4 - Prob. 26PCh. 1.4 - Prob. 27PCh. 1.4 - Prob. 28PCh. 1.4 - Prob. 29PCh. 1.4 - Prob. 30PCh. 1.4 - Prob. 31PCh. 1.4 - Prob. 32PCh. 1.4 - Prob. 33PCh. 1.4 - Prob. 34PCh. 1.4 - Prob. 35PCh. 1.4 - Prob. 36PCh. 1.4 - Prob. 37PCh. 1.4 - Prob. 38PCh. 1.4 - Prob. 39PCh. 1.4 - Prob. 40PCh. 1.4 - Prob. 41PCh. 1.4 - Prob. 42PCh. 1.4 - Prob. 43PCh. 1.4 - Prob. 44PCh. 1.4 - Prob. 45PCh. 1.5 - Prob. 1PCh. 1.5 - Prob. 2PCh. 1.5 - Prob. 3PCh. 1.5 - Prob. 4PCh. 1.5 - Prob. 5PCh. 1.5 - Prob. 6PCh. 1.5 - Prob. 7PCh. 1.5 - Prob. 8PCh. 1.5 - Prob. 9PCh. 1.5 - Prob. 10PCh. 1.5 - Prob. 11PCh. 1.5 - Prob. 12PCh. 1.5 - Prob. 13PCh. 1.5 - Prob. 14PCh. 1.5 - Prob. 15PCh. 1.5 - Prob. 16PCh. 1.5 - Prob. 17PCh. 1.5 - Prob. 18PCh. 1.5 - Prob. 19PCh. 1.5 - Prob. 20PCh. 1.5 - Prob. 21PCh. 1.5 - Prob. 22PCh. 1.5 - Prob. 23PCh. 1.5 - Prob. 24PCh. 1.5 - Prob. 25PCh. 1.5 - Prob. 26PCh. 1.5 - Prob. 27PCh. 1.5 - Prob. 28PCh. 1.5 - Prob. 29PCh. 1.5 - Prob. 30PCh. 1.5 - Prob. 31PCh. 1.5 - Prob. 32PCh. 1.5 - Prob. 33PCh. 1.5 - Prob. 34PCh. 1.5 - Prob. 35PCh. 1.5 - Prob. 36PCh. 1.5 - Prob. 37PCh. 1.5 - Prob. 38PCh. 1.5 - Prob. 39PCh. 1.5 - Prob. 40PCh. 1.5 - Prob. 41PCh. 1.5 - Prob. 42PCh. 1.5 - Prob. 43PCh. 1.5 - Prob. 44PCh. 1.5 - Prob. 45PCh. 1.6 - Prob. 1PCh. 1.6 - Prob. 2PCh. 1.6 - Prob. 3PCh. 1.6 - Prob. 4PCh. 1.6 - Prob. 5PCh. 1.6 - Prob. 6PCh. 1.6 - Prob. 7PCh. 1.6 - Prob. 8PCh. 1.6 - Prob. 9PCh. 1.6 - Prob. 10PCh. 1.6 - Prob. 11PCh. 1.6 - Prob. 12PCh. 1.6 - Prob. 13PCh. 1.6 - Prob. 14PCh. 1.6 - Prob. 15PCh. 1.6 - Prob. 16PCh. 1.6 - Prob. 17PCh. 1.6 - Prob. 18PCh. 1.6 - Prob. 19PCh. 1.6 - Prob. 20PCh. 1.6 - Prob. 21PCh. 1.6 - Prob. 22PCh. 1.6 - Prob. 23PCh. 1.6 - Prob. 24PCh. 1.6 - Prob. 25PCh. 1.6 - Prob. 26PCh. 1.6 - Prob. 27PCh. 1.6 - Prob. 28PCh. 1.6 - Prob. 29PCh. 1.6 - Prob. 30PCh. 1.6 - Prob. 31PCh. 1.6 - Prob. 32PCh. 1.6 - Prob. 33PCh. 1.6 - Prob. 34PCh. 1.6 - Prob. 35PCh. 1.6 - Prob. 36PCh. 1.6 - Prob. 37PCh. 1.6 - Prob. 38PCh. 1.6 - Prob. 39PCh. 1.6 - Prob. 40PCh. 1.6 - Prob. 41PCh. 1.6 - Prob. 42PCh. 1.6 - Prob. 43PCh. 1.6 - Prob. 44PCh. 1.6 - Prob. 45PCh. 1.6 - Prob. 46PCh. 1.6 - Prob. 47PCh. 1.6 - Prob. 48PCh. 1.6 - Prob. 49PCh. 1.6 - Prob. 50PCh. 1.6 - Prob. 51PCh. 1.6 - Prob. 52PCh. 1.6 - Prob. 53PCh. 1.7 - Prob. 1PCh. 1.7 - Prob. 2PCh. 1.7 - Prob. 3PCh. 1.7 - Prob. 4PCh. 1.7 - Prob. 5PCh. 1.7 - Prob. 6PCh. 1.7 - Prob. 7PCh. 1.7 - Prob. 8PCh. 1.7 - Prob. 9PCh. 1.7 - Prob. 10PCh. 1.7 - Prob. 11PCh. 1.7 - Prob. 12PCh. 1.7 - Prob. 13PCh. 1.7 - Prob. 14PCh. 1.7 - Prob. 15PCh. 1.7 - Prob. 16PCh. 1.7 - Prob. 17PCh. 1.7 - Prob. 18PCh. 1.7 - Prob. 19PCh. 1.7 - Prob. 20PCh. 1.7 - Prob. 21PCh. 1.7 - Prob. 22PCh. 1.7 - Prob. 23PCh. 1.7 - Prob. 24PCh. 1.7 - Prob. 25PCh. 1.7 - Prob. 26PCh. 1.7 - Prob. 27PCh. 1.7 - Prob. 28PCh. 1.7 - Prob. 29PCh. 1.7 - Prob. 30PCh. 1.7 - Prob. 31PCh. 1.7 - Prob. 32PCh. 1.7 - Prob. 33PCh. 1.7 - Prob. 34PCh. 1.7 - Prob. 35PCh. 1.7 - Prob. 36PCh. 1.7 - Prob. 37PCh. 1.7 - Prob. 38PCh. 1.7 - Prob. 39PCh. 1.7 - Prob. 40PCh. 1.7 - Prob. 41PCh. 1.7 - Prob. 42PCh. 1.7 - Prob. 43PCh. 1.7 - Prob. 44PCh. 1.7 - Prob. 45PCh. 1.7 - Prob. 46PCh. 1.7 - Prob. 47PCh. 1.7 - Prob. 48PCh. 1.7 - Prob. 49PCh. 1.7 - Prob. 50PCh. 1.7 - Prob. 51PCh. 1.7 - Prob. 52PCh. 1.7 - Prob. 53PCh. 1.7 - Prob. 54PCh. 1.8 - Prob. 1PCh. 1.8 - Prob. 2PCh. 1.8 - Prob. 3PCh. 1.8 - Prob. 4PCh. 1.8 - Prob. 5PCh. 1.8 - Prob. 6PCh. 1.8 - Prob. 7PCh. 1.8 - Prob. 8PCh. 1.8 - Prob. 9PCh. 1.8 - Prob. 10PCh. 1.8 - Prob. 11PCh. 1.8 - Prob. 12PCh. 1.8 - Prob. 13PCh. 1.8 - Prob. 14PCh. 1.8 - Prob. 15PCh. 1.8 - Prob. 16PCh. 1.8 - Prob. 17PCh. 1.8 - Prob. 18PCh. 1.8 - Prob. 19PCh. 1.8 - Prob. 20PCh. 1.8 - Prob. 21PCh. 1.8 - Prob. 22PCh. 1.8 - Prob. 23PCh. 1.8 - Prob. 24PCh. 1.8 - Prob. 25PCh. 1.8 - Prob. 26PCh. 1.8 - Prob. 27PCh. 1.8 - Prob. 28PCh. 1.8 - Prob. 29PCh. 1.8 - Prob. 30PCh. 1.8 - Prob. 31PCh. 1.8 - Prob. 32PCh. 1.8 - Prob. 33PCh. 1.8 - Prob. 34PCh. 1.8 - Prob. 35PCh. 1.8 - Prob. 36PCh. 1.8 - Prob. 37PCh. 1.8 - Prob. 38PCh. 1.8 - Prob. 39PCh. 1.8 - Prob. 40PCh. 1.8 - Prob. 41PCh. 1.8 - Prob. 42PCh. 1.8 - Prob. 43PCh. 1.8 - Prob. 44PCh. 1.8 - Prob. 45PCh. 1.8 - Prob. 46PCh. 1.8 - Prob. 47PCh. 1.8 - Prob. 48PCh. 1.8 - Prob. 49PCh. 1.8 - Prob. 50PCh. 1.8 - Prob. 51PCh. 1.8 - Prob. 52PCh. 1.8 - Prob. 53PCh. 1.8 - Prob. 54PCh. 1.8 - Prob. 55PCh. 1.8 - Prob. 56PCh. 1.8 - Prob. 57PCh. 1.8 - Prob. 58PCh. 1.8 - Prob. 59PCh. 1.9 - Prob. 1PCh. 1.9 - Prob. 2PCh. 1.9 - Prob. 3PCh. 1.9 - Prob. 4PCh. 1.9 - Prob. 5PCh. 1.9 - Prob. 6PCh. 1.9 - Prob. 7PCh. 1.9 - Prob. 8PCh. 1.9 - Prob. 9PCh. 1.9 - Prob. 10PCh. 1.9 - Prob. 11PCh. 1.9 - Prob. 12PCh. 1.9 - Prob. 13PCh. 1.9 - Prob. 14PCh. 1.9 - Prob. 15PCh. 1.9 - Prob. 16PCh. 1.9 - Prob. 17PCh. 1.9 - Prob. 18PCh. 1.9 - Prob. 19PCh. 1.9 - Prob. 20PCh. 1.9 - Prob. 21PCh. 1.9 - Prob. 22PCh. 1.9 - Prob. 23PCh. 1.9 - Prob. 24PCh. 1.9 - Prob. 25PCh. 1.9 - Prob. 26PCh. 1.9 - Prob. 27PCh. 1.9 - Prob. 28PCh. 1.9 - Prob. 29PCh. 1.10 - Prob. 1PCh. 1.10 - Prob. 2PCh. 1.10 - Prob. 3PCh. 1.10 - Prob. 4PCh. 1.10 - Prob. 5PCh. 1.10 - Prob. 6PCh. 1.10 - Prob. 7PCh. 1.10 - Prob. 8PCh. 1.10 - Prob. 9PCh. 1.10 - Prob. 10PCh. 1.10 - Prob. 11PCh. 1.10 - Prob. 12PCh. 1.10 - Prob. 13PCh. 1.10 - Prob. 14PCh. 1.10 - Prob. 15PCh. 1.10 - Prob. 16PCh. 1.10 - Prob. 17PCh. 1.10 - Prob. 18PCh. 1.10 - Prob. 19PCh. 1.10 - Prob. 20PCh. 1.10 - Prob. 21PCh. 1.10 - Prob. 22PCh. 1.10 - Prob. 23PCh. 1.10 - Prob. 24PCh. 1.10 - Prob. 25PCh. 1.10 - Prob. 26PCh. 1.10 - Prob. 27PCh. 1.10 - Prob. 28PCh. 1.10 - Prob. 29PCh. 1.10 - Prob. 30PCh. 1.10 - Prob. 31PCh. 1.10 - Prob. 32PCh. 1.10 - Prob. 33PCh. 1.10 - Prob. 34PCh. 1.10 - Prob. 35PCh. 1.10 - Prob. 36PCh. 1.10 - Prob. 37PCh. 1 - Prob. 1SYUCh. 1 - Prob. 2SYUCh. 1 - Prob. 3SYUCh. 1 - Prob. 4SYUCh. 1 - Prob. 5SYUCh. 1 - Prob. 6SYUCh. 1 - Prob. 7SYUCh. 1 - Prob. 8SYUCh. 1 - Prob. 9SYUCh. 1 - Prob. 10SYUCh. 1 - Prob. 11SYUCh. 1 - Prob. 12SYUCh. 1 - Prob. 13SYUCh. 1 - Prob. 14SYUCh. 1 - Prob. 15SYUCh. 1 - Prob. 16SYUCh. 1 - Prob. 17SYUCh. 1 - Prob. 18SYUCh. 1 - Prob. 19SYUCh. 1 - Prob. 20SYUCh. 1 - Prob. 21SYUCh. 1 - Prob. 22SYUCh. 1 - Prob. 23SYUCh. 1 - Prob. 24SYUCh. 1 - Prob. 25SYUCh. 1 - Prob. 26SYUCh. 1 - Prob. 27SYUCh. 1 - Prob. 28SYUCh. 1 - Prob. 29SYUCh. 1 - Prob. 30SYUCh. 1 - Prob. 31SYUCh. 1 - Prob. 32SYUCh. 1 - Prob. 33SYUCh. 1 - Prob. 34SYUCh. 1 - Prob. 35SYUCh. 1 - Prob. 36SYUCh. 1 - Prob. 37SYUCh. 1 - Prob. 38SYUCh. 1 - Prob. 39SYUCh. 1 - Prob. 40SYUCh. 1 - Prob. 41SYUCh. 1 - Prob. 42SYUCh. 1 - Prob. 43SYUCh. 1 - Prob. 44SYUCh. 1 - Prob. 45SYUCh. 1 - Prob. 46SYUCh. 1 - Prob. 47SYUCh. 1 - Prob. 48SYUCh. 1 - Prob. 49SYUCh. 1 - Prob. 50SYUCh. 1 - Prob. 51SYUCh. 1 - Prob. 52SYUCh. 1 - Prob. 53SYUCh. 1 - Prob. 54SYUCh. 1 - Prob. 55SYUCh. 1 - Prob. 56SYUCh. 1 - Prob. 57SYUCh. 1 - Prob. 58SYUCh. 1 - Prob. 59SYUCh. 1 - Prob. 60SYUCh. 1 - Prob. 61SYUCh. 1 - Prob. 62SYUCh. 1 - Prob. 63SYUCh. 1 - Prob. 64SYUCh. 1 - Prob. 65SYUCh. 1 - Prob. 66SYUCh. 1 - Prob. 67SYUCh. 1 - Prob. 68SYUCh. 1 - Prob. 69SYUCh. 1 - Prob. 70SYUCh. 1 - Prob. 71SYUCh. 1 - Prob. 72SYUCh. 1 - Prob. 73SYUCh. 1 - Prob. 74SYUCh. 1 - Prob. 75SYUCh. 1 - Prob. 76SYUCh. 1 - Prob. 77SYUCh. 1 - Prob. 78SYUCh. 1 - Prob. 79SYUCh. 1 - Prob. 80SYUCh. 1 - Prob. 81SYUCh. 1 - Prob. 82SYUCh. 1 - Prob. 83SYUCh. 1 - Prob. 84SYUCh. 1 - Prob. 85SYUCh. 1 - Prob. 86SYUCh. 1 - Prob. 87SYUCh. 1 - Prob. 88SYUCh. 1 - Prob. 89SYUCh. 1 - Prob. 90SYUCh. 1 - Prob. 91SYUCh. 1 - Prob. 92SYUCh. 1 - Prob. 93SYUCh. 1 - Prob. 94SYUCh. 1 - Prob. 95SYUCh. 1 - Prob. 96SYUCh. 1 - Prob. 97SYUCh. 1 - Prob. 98SYUCh. 1 - Prob. 99SYUCh. 1 - Prob. 100SYUCh. 1 - Prob. 101SYUCh. 1 - Prob. 102SYUCh. 1 - Prob. 103SYUCh. 1 - Prob. 104SYUCh. 1 - Prob. 105SYU
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.Recommended textbooks for you
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
- Calculus For The Life SciencesCalculusISBN:9780321964038Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.Publisher:Pearson Addison Wesley,Intermediate AlgebraAlgebraISBN:9781285195728Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher: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
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage
Calculus For The Life Sciences
Calculus
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:Pearson Addison Wesley,
Intermediate Algebra
Algebra
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Cengage Learning
Differential Equation | MIT 18.01SC Single Variable Calculus, Fall 2010; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=HaOHUfymsuk;License: Standard YouTube License, CC-BY