$\"\"$

The table is \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
x
\ \
0
\ \
1
\ \
2
\ \
3
\
\
y
\ \
11
\ \
15
\ \
19
\ \
23
\
\

Observe that table; value of y is increasing by 4 as x value increasing by one.

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

Write a verbal model for the current situation:

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

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