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 ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d3d11b8721cd60e37916673eec593d98.png\")
in rate of change formula.
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a2984045e0e09d3845b1dc83706270a8.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2f66ecabc2e6423e10104b389a407f6d.png\")
(Product of two same signs is positive)
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d0905e04b70b5aa829b8a7dde1498780.png\")
(Add: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0fbd7c56fd1de8f355c58f61d3b04503.png\")
)
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=34f3e99ca1cd4fe87057323e722dc6f4.png\")
(Subtract: 5 ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e5eb59240ec1d1913b37aeca0165e651.png\")
2 = 3)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The rate of change represented in the table is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8b6c7e9df69a61704563a0b5f8f64524.png\")
.