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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
4
−
x
f(x)=\sqrt{4-x}
f
(
x
)
=
4
−
x
and
g
(
x
)
=
1
x
−
1
g(x)=\dfrac{1}{x-1}
g
(
x
)
=
x
−
1
1
. Find
(
g
∘
f
)
(
x
)
(g\circ f)(x)
(
g
∘
f
)
(
x
)
and state its domain.
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