If is the set of real numbers and be the function defined by

MATHEMATICS · Subjective · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

\mathbf{R}

is the set of real numbers and

f: \mathbf{R} \to \mathbf{R}

be the function defined by

f(x) = (3 - x^3)^{\frac{1}{3}}

, then

(f \circ f)(x)

is equal to (A)

x^2

(B)

x^3

(C)

x

(D)

(3 - x^3)