Give an example of a function f : R → R that is continuous at x if x is an irrational number, but it is not continuous if x is a rational number.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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Give an example of a function f : R → R that is continuous at x if x is an irrational
number, but it is not continuous if x is a rational number.
Transcribed Image Text:Give an example of a function f : R → R that is continuous at x if x is an irrational number, but it is not continuous if x is a rational number.
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