If `f: R->R` is a bijection given by `f(x)=x^3+3` , find `f^(-1)\ (x)` .

Explanation

`f(x)=x^3+3`

take `f^(−1)(x)=y…….. ( 1 ) `
`
f(y)=x`
`
Rightarrow y^3+3=x`
`
Rightarrow y^3=x−3`
`
Rightarrow y=^3sqrt(x−3) `
`
Rightarrow y=(x−3)^(1/3) `

By using ( 1 ),
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