Observe that table.
The pattern shows that the y-value is increased by 8 each time.
The equation of y is
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/userfiles/image/Library/vinaypa47_p72.gif\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aadc7486ad0e7e3c8250336928d52854.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d715114d83457c64c84cfa655c5ba21b.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3d448b936a82a400ecf9f1e99c974c50.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")