Question

What is the inverse of the function { (1,2),(2,3), (3,1) } from the set A ={1,2,3} to itself?

• A. { (1,2),(2,3), (3,1) }
• B. {(2,1), (3,3), (1,2)}
• C. {(2,3), (1, 2), (3,1)}
• D. None of these

Answer 1

The correct option is D

None of these

$f^{-1}$ = { (2,1), (3,2), (1,3) }