A relationship that is not a function but is inverse of a function

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.7: Inverse Functions
Problem 3SE: Can a function be its own inverse? Explain.
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A relationship that is not a function but is inverse of a function
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 yes there may a relation that is not a function but it's inverse is a function

for example:

let R: A→B be a relation from A to B, then R is a subset of AxB = {(a, b) : a€A, b€B}. Then R-1 is a relation from B to A .  

 
 
 

 

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