|f(x) – f(xo)| < e whenever |x – xo] < 8. And the function f : R → R is continuous if it is continuous at every xo E R. Show that this definition of continuity of functions over R agrees with the topological definition of continuous functions.
|f(x) – f(xo)| < e whenever |x – xo] < 8. And the function f : R → R is continuous if it is continuous at every xo E R. Show that this definition of continuity of functions over R agrees with the topological definition of continuous functions.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Recall that in analysis, a function f : R → R
is continuous at a point xo if for any e > 0 there
exists 8> 0 such that
|f(x) – f(xo)| < e whenever |x – xo| < 8. And the
function f : R → R is continuous if it is continuous at
every xo E R.
Show that this definition of continuity of functions
over R agrees with the topological definition of
continuous functions.
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