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Let A ={a,b,c, d,e} and f: A rarr A be d...

Let `A ={a,b,c, d,e} and f: A rarr A` be defined by `f(a)=d, f (b) =a,f(c) =d, f(d) =b and f(e)=d` find (i) `f^(-1)(b)` (ii) `f^(-1) (e)` (iii) `f^(-1) (d) ` and (iv) `f^(-1) {a,b}`.

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The correct Answer is:
`[ because f(b) =a and f(d) =b]`
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