\
The functions are
.
The domain of f is the set of all real numbers x except x = 5.
\The domain of g is the set of all real numbers x.
\The composition f with g is 
(Definition of
)
(Definition of
)
(Definition of
)
(Simplify)
The value of
and its domain is the set of all real numbers x.
The functions are
.
The domain of f is the set of all real numbers x except x = 5.
\The domain of g is the set of all real numbers x.
\The composition g with f is 
(Definition of
)
(Definition of
)
(Definition of
)
(Simplify)
(Simplify)
The value of
and its domain is the set of all real numbers x.