![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The average rate of change of the temperature from 8:00 A.M. to 10:00 A.M. is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8e8cfb6f1af5bbb9ee370dca4c245dfb.png\")
.
The change in time value from 8:00 A.M. to 10:00 A.M is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1e245ece69ad0a56de20af75f7f94580.png\")
The change in temperature value from 36 to 47 is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a1e5d2e7d3ca137c827f88e31678ce5a.png\")
.
Substitute these values in the formula ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8e8cfb6f1af5bbb9ee370dca4c245dfb.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e2316a863314d0ffb21aa3ef4dedb56a.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=75fa35692e2c850538ac1ef48559beac.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The average rate of change of the temperature from 8:00 A.M. to 10:00 A.M. is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f215f8bcde6e58d111fba92f9aa5f66d.png\")
.