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
icon
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|
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|
Expert Solution
steps

Step by step

Solved in 3 steps with 4 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra: Structure And Method, Book 1
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
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Functions and Change: A Modeling Approach to Coll…
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning