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Let A ={-2,-1,0,1,2} and f: A rarr A be ...

Let `A ={-2,-1,0,1,2} and f: A rarr A` be defined by `f(-2)=1,f(-1)=-2, f(0)=1, f(1)=-1,f(2)=1`. Find
(i) `f^(-1) (-1) , (ii) f^(-1)(2) (ii) f^(-1)(1) , (iv) f^(-1) {-2,-1}`

Text Solution

Verified by Experts

The correct Answer is:
(i) {1}, (ii) `phi` , (iii) `{-2,0,2}`, (iv)`{-1,1}`
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