\"\"

\

The table is

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

x

\ 		\

y

\
\

1

\ 		\

9

\
\

2

\ 		\

11 \ \

\
\

3

\ 		\

14

\
\

4

\ 		\

18

\
\

From the table x increases by 1, y increases by a greater amount each time.

\

So, this is a nonlinear function.\"\"

\

It represents a nonlinear function.