![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
(a)
\Find over what interval of time was Michael traveling fastest.
\Observe the given graph :
\Michael is traveling fastest when : ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=968ad1b1625acf8ae5ae7490b4494145.png\")
.
The interval is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e5f7d104a6b7a0ea28f2e9d94ddb1391.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
(b)
\Find over what interval(s) of time was Michaels speed zero.
\Observe the given graph :
\Michael speed is zero when : ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9029d0fa9866de92a4a2d63fc8099b38.png\")
.
The interval is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3cce750a89a48d2dbde84ee8dcfb2695.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
(c)
\Find Michaels speed between 0 and 2 minutes.
\Observe the given graph :
\Speed between 0 and 2 : ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d2e7ad70f154bd7327f6ef3539c5057b.png\")
Michaels speed between 0 and 2 minutes is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f06f194e46d1a37f949528f5797820fb.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step4.JPG\")
(d)
\Find Michaels speed between 4.2 and 6 minutes.
\Observe the given graph :
\Michaels speed between 4.2 and 6 minutes is 0 mi/hr.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step5.JPG\")
(e)
\Find Michaels speed between 7 and 7.4 minutes.
\Observe the given graph :
\Michaels speed between 7 and 7.4 minutes is 50 mi/hr.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step6.JPG\")
(f)
\Find When was Michaels speed is constant.
\Observe the given graph :
\Michaels speed is constant when : ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65b783f48bdc0f9907b77bf6e47abcbb.png\")
or or or ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7ca07710b0b5b52e30a9494545942798.png\")
.
The intervals are ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65b783f48bdc0f9907b77bf6e47abcbb.png\")
or ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9029d0fa9866de92a4a2d63fc8099b38.png\")
or ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=968ad1b1625acf8ae5ae7490b4494145.png\")
or ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7ca07710b0b5b52e30a9494545942798.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
(a) .
(b) .
(c) Michaels speed between 0 and 2 minutes is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f06f194e46d1a37f949528f5797820fb.png\")
.
(d) Michaels speed between 4.2 and 6 minutes is 0 mi/hr.
\(e) Michaels speed between 7 and 7.4 minutes is 50 mi/hr.
\(f) or or or .