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Mathematics
Problem
Let
f
:
R
→
R
f: \mathbb{R}\to\mathbb{R}
f
:
R
→
R
be defined by
f
(
x
)
=
2
x
+
5
f(x)=2x+5
f
(
x
)
=
2
x
+
5
and
g
:
R
→
R
g: \mathbb{R}\to\mathbb{R}
g
:
R
→
R
by
g
(
x
)
=
x
3
g(x)=x^{3}
g
(
x
)
=
x
3
. Both functions are bijective. Find
(
f
∘
g
)
−
1
(
x
)
(f\circ g)^{-1}(x)
(
f
∘
g
)
−
1
(
x
)
.
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