\"\"

\

The equation is \"\".

\

Graph the related function \"\"\"\"

\

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\

m

\ 		\

f (m)

\
\

1

\ 		\

    12

\
\

2

\ 		\

5

\
\

3

\ 		\

    0

\
\

4

\ 		\

\"\"3

\
\

5

\ 		\

\"\"4

\
\

\"\"

\

Graph:

\

\"\"

\

\"\"

\

The m-intercepts are between 3 and 4.

\

So,the root is between 3 and 4.