If f: Rrarr R given by f(x) = (x^3) + 4,...

If `f: Rrarr R` given by `f(x) = (x^3) + 4, then `f^-1(x)` equals·:

A

`(x + 4)^1//3`

B

`(x - 4)^1//3`

C

`(x + 4)^3`

D

`(x - 4)^3`

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