Suppose that f AR is continuous at a number a E A with f(a) > 0. Show that there exist numbers L and 8 such that f(x) > L for every x EN(a; 8) nA. (Here, N(a; 6) denotes the open interval/neighborhood (a - 8, a + 8).)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 32E
icon
Related questions
Question
Suppose that f AR is continuous at a number a E A with f(a) > 0. Show
that there exist numbers L and 8 such that f(x) > L for every x EN(a; 8) nA. (Here,
N(a; 6) denotes the open interval/neighborhood (a - 8, a + 8).)
Transcribed Image Text:Suppose that f AR is continuous at a number a E A with f(a) > 0. Show that there exist numbers L and 8 such that f(x) > L for every x EN(a; 8) nA. (Here, N(a; 6) denotes the open interval/neighborhood (a - 8, a + 8).)
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
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