Let ACR be a bounded non-empty set, and let B := {|x : x € A}. sup B-inf B≤ sup A - inf A (Hint: Find some [x] close to sup B and some ly close to inf B, then use the reverse triangle inequality.) Prove that

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 23E
icon
Related questions
Question
100%
Let ACR be a bounded non-empty set, and let B := = {x| : x € A}.
sup B
inf B≤ sup A - inf A
(Hint: Find some |x| close to sup B and some ly close to inf B, then use the reverse triangle
inequality.)
Prove that
Transcribed Image Text:Let ACR be a bounded non-empty set, and let B := = {x| : x € A}. sup B inf B≤ sup A - inf A (Hint: Find some |x| close to sup B and some ly close to inf B, then use the reverse triangle inequality.) Prove that
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elements Of Modern Algebra
Elements Of Modern Algebra
Algebra
ISBN:
9781285463230
Author:
Gilbert, Linda, Jimmie
Publisher:
Cengage Learning,
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
Geometry
ISBN:
9781337614085
Author:
Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:
Cengage,
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning