![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The table is \ \ \
| \
x \ | \
\
0 \ | \
\
1 \ | \
\
2 \ | \
\
3 \ | \
| \
y \ | \
\
12 \ | \
\
19 \ | \
\
26 \ | \
\
33 \ | \
Observe the table; value of y is increasing by 7 as x value increasing by one. \ \
![\"\"](\"/userfiles/image/Library/Algebra1/increases_pa37P15.gif\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Write a verbal model for the current situation:
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=34ebc8d1a7013bc7049eae42c5e5c12d.png\")
The equation of y is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ceca0539d8f3c25577fea3dd950c9a5.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The equation of y is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ceca0539d8f3c25577fea3dd950c9a5.png\")
.