Rate of change:
\![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e6aaa0c2821cac55d2a1cdbfc5fc9312.png\")
\
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=773d8ba322993d301bae929ad49748f0.png\")
\
\
\
![\"\"](\"http://www.mathskey.com/userfiles/image/Library/slope_line.gif\")
\
| \
Rate of change: \
\
\ \ \ | \
| \
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=570cbc850bd5c18c5ac72f41dfb0af84.png\")
in rate of change formula.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=028e182e2f8bcd23f1749da380e455cc.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65200d10f3247f88b2ff738ea4e38982.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2493973bcc3a8f6085cd60a8f99a6adb.png\")
) \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9ca3da361b95a45dc03a08174a7c8041.png\")
(Divide: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9cbc3ca623515806e5d6faa3b97b2014.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The rate of change represented in the table is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ea6da5ad035c76c5fa4c88cf6268e03.png\")
1.