(a)
\The function is
.
Rewrite the function as
.
Find the inverse function.
\
Interchange the variables
and
.


.
Substitute
.
The inverse of the function is
.
(b)
\Graph :
\Draw a coordinate plane.
\Graph the functions
and
.
(c)
\The function is
.
The inverse of the function is
.
Observe the graph :
\The functions
and
are symmetric about the line
.
(d)
\The function is
.
Since
is a polynomial function, domain is all real numbers.
Range of
is all real numbers.
The inverse function is
.
Domain of
is all real numbers.
Range of
is all real numbers.
(a)
\The inverse function is
.
(b)
\The graph of the functions are
and
.
(c)
\
and
are symmetric about
.
(d)
\Domain of
is all real numbers.
Range of
is all real numbers.
Domain of
is all real numbers.
Range of
is all real numbers.