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Mathematics
Mathematics
Problem
If
R
\mathbf{R}
R
is the set of real numbers and
f
:
R
→
R
f: \mathbf{R} \to \mathbf{R}
f
:
R
→
R
be the function defined by
f
(
x
)
=
(
3
−
x
3
)
1
3
f(x) = (3 - x^3)^{\frac{1}{3}}
f
(
x
)
=
(
3
−
x
3
)
3
1
, then
(
f
∘
f
)
(
x
)
(f \circ f)(x)
(
f
∘
f
)
(
x
)
is equal to (A)
x
2
x^2
x
2
(B)
x
3
x^3
x
3
(C)
x
x
x
(D)
(
3
−
x
3
)
(3 - x^3)
(
3
−
x
3
)
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