Substitute in rate of change formula.
(Subtract: )
(Divide: )
The rate of change represented in the table is .
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in rate of change formula.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4ed24b71d85dce5a92c3a5191e433bb9.png\")
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(Subtract: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5b3293b9b57d0f88e73847d2cdee4006.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bf905d9fc486b8e1e1d730f226a75761.png\")
(Subtract: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ab3e781720fe914d1aee8388c2ffa424.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=95b63b24a913e2ec5ce056890eac9c26.png\")
(Divide: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=30d44cd77e98deb6352a9a2421ab3f40.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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.