Substitute in rate of change formula.
(Subtract :)
(Subtract: )
(Divide: )
The Women Competing in Triathlons incresed by per year.
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in rate of change formula.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=81628265b3dd171666567ef3f0b3c4eb.png\")
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(Subtract :![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5f0a6de1203d8fb8cc794ce95e5f84cb.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c868fecd3f461ba09f687899f1cbbb8e.png\")
(Subtract: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=92da0d6d4b28c0859b2140855188bc72.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4ccebaf9188b1fae310d69053c402dcb.png\")
(Divide: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f07ba2a3408b7ead7d462907f8b88299.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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per year.