$\"\"$

The table is \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
x
\ \
0
\ \
3
\ \
6
\ \
9
\
\
y
\ \
12
\ \
30
\ \
48
\ \
66
\
\ Observe the table; value of x is increased by multiples of 3.

$\"verbal_table_0,3,6,9\"$ \ \

Observe the table; value of y is increased by 18.

$\"\"$ $\"\"$

Write a verbal model for the current situation:

$\"\"$

The equation of y is $\"\"$ . $\"\"$

The equation of y is $\"\"$ .