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=749fd9f316aaa321da83153b51d59d53.png\")
in rate of change formula.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=97c5f7823747158f59bb6785e9883515.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2876b6c8817f816b9dbfe6052bb2dd76.png\")
(Signs are same. So, product is positive)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=96fd4cd16093d0cfb1dbb95e6bfe8883.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9be272bc84d1df2a31b3d815545eed58.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f30aab43e21cae40c1d52b0f6ca7fddd.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f4238300a695d9da66828f897dc69685.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bdbc4e7a7242e55d22e4ecd5ea0de793.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=09e4566899a7c6e3ef76b2a86ee9d028.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The rate of change represented in the table is 0.