APPLIED CALCULUS-WILEYPLUS
APPLIED CALCULUS-WILEYPLUS
6th Edition
ISBN: 9781119267874
Author: Hughes-Hallett
Publisher: WILEY
bartleby

Concept explainers

bartleby

Videos

Question
Book Icon
Chapter 1, Problem 1SYU
To determine

The domain is the set of output of a function is it true or false.

Expert Solution & Answer
Check Mark

Answer to Problem 1SYU

The given statement is false.

Explanation of Solution

Given information:

Domain of the function.

Concept used:

Domain is the set of all input numbers of the function.

Calculation:

The domain is the set of output of a function the given statement is false.

Conclusion:

The given statement is false.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!
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 1 Solutions

APPLIED CALCULUS-WILEYPLUS

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
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
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
Text book image
Intermediate Algebra
Algebra
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Cengage Learning
Text book image
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
What is a Function? Business Mathematics and Statistics; Author: Edmerls;https://www.youtube.com/watch?v=fcGNFyqRzuI;License: Standard YouTube License, CC-BY
FUNCTIONS CONCEPTS FOR CBSE/ISC/JEE/NDA/CET/BANKING/GRE/MBA/COMEDK; Author: Neha Agrawal Mathematically Inclined;https://www.youtube.com/watch?v=hhbYynJwBqk;License: Standard YouTube License, CC-BY