$\"\"$

\

The equation is $\"\"$ .

\

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

\

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

\ n \	\ f (n) \
\ $\"\"$ 4 \	\ $\"\"$ 16 \
\ $\"\"$ 3 \	\ $\"\"$ 12 \
\ $\"\"$ 2 \	\ 0 \
\ $\"\"$ 1 \	\ 14 \

\

$\"\"$

\

Graph:

\

$\"\"$

\

$\"\"$

\

The n-intercepts are between $\"\"$ and $\"\"$ .

\

So,the root is between $\"\"$ and $\"\"$ .