\"\"

\

The functions are \"\"  an\"\".

\

Find \"\".

\

\"\".

\

Consider \"\".

\

\"\"

\

\"\"

\

\"\".

\

To find the inverse of the function, consider \"\" and solve \"\" in terms of \"\".

\

\"\"

\

\"\"

\

\"\"

\

Interchange \"\" and \"\".

\

\"\"

\

Replace \"\".

\

\"\".

\

\

\"\".