4. Let x, y € R. Which of the following inequalities is TRUE? (Circle your answer(s).) • zy ≥ (²+v) ² x+y •√x - √T≤ √x-y ● • ||x| – |y|| ≤ |x − y|| 1 ● x² · y ≤ x² ·|y|
4. Let x, y € R. Which of the following inequalities is TRUE? (Circle your answer(s).) • zy ≥ (²+v) ² x+y •√x - √T≤ √x-y ● • ||x| – |y|| ≤ |x − y|| 1 ● x² · y ≤ x² ·|y|
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.6: Inequalities
Problem 79E
Related questions
Question
Explain as simple as possible. thus avoid answering writing "all cases", or slow methods
![4. Let x, y ≤ R. Which of the following inequalities is TRUE? (Circle your answer(s).)
2
(x+y) ²
2
•√x - √y| ≤ √|x-y|
●
● xy
2
• ||x| − |y|| ≤ |x − y|
• \x² · y ≤ x² · |y|](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fea67f48c-7f33-4c2a-9ccd-62fab70fbc91%2Fb05c23ce-9ea6-4fcd-b333-312d8855cc1b%2F0veviwh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. Let x, y ≤ R. Which of the following inequalities is TRUE? (Circle your answer(s).)
2
(x+y) ²
2
•√x - √y| ≤ √|x-y|
●
● xy
2
• ||x| − |y|| ≤ |x − y|
• \x² · y ≤ x² · |y|
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