The table is.

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

\ x \	\ y \
\ 0 \	\     5 \
\ 4 \	\ 7 \
\ 8 \	\ 9 \
\ 12 \	\ 11 \

\

Express the relation as ordered pairs.

\ x \	\ y \	rule
\ 0 \	\     5 \
\ 4 \	\ 7 \
\ 8 \	\ 9 \
\ 12 \	\ 11 \

Observe the table; the rule for the function is .

The rule for the function is .