\"\"

\

(a)

\

The function is \"\".

\

Rewrite the function as \"\".

\

Find the inverse function.

\

\"\"

\

Interchange the variables \"image\" and \"image\".

\

\"\"

\

\"\"

\

\"\" .

\

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)

\

\"image\" and \"image\" 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.