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: \
\
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![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9e7b4c2f2488db41fe927e5783d725fc.png\")
in rate of change formula.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f56f6c8d8532cb70b595878c309635e.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3fd3c1ac24374d35cb367d12f915a483.png\")
(Product of two same signs is positive)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4c92a380329158e5b99bdcde4d5d0d44.png\")
(Additive identity property: a + 0 = a)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5dc5ebc90c9cda456ad21e6dc99cdda2.png\")
(Add: 3 + 1 = 4)
m = 2 (Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=46b8b5201d8d7ee2811cc112c331f9b7.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The rate of change represented in the table is 2.