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Prove that the function f: N to Y define...

Prove that the function `f: N to Y` defined by `f(x) = x^(2)`, where `y = {y : y = x^(2) , x in N}` is invertible. Also write the inverse of f(x).

Text Solution

Verified by Experts

The correct Answer is:
`f^(-1) (x) = sqrt(x)` OR `f^(-1) = sqrt(x)`.
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