Chapter3: Functions
Section3.7: Inverse Functions
Problem 3SE: Can a function be its own inverse? Explain.
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Question
A relationship that is not a function but is inverse of a function
Expert Solution
Step 1
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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