![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
(a)
\The data is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=15cdee8499b3e20ac8919af36fed8ec3.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fdc2006150e7f2c3decdc4bbb80f0b52.png\")
.
At ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d015b29e798eed5307721991614bdd7d.png\")
the temperature is rising, since ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cca166a0e8615e2b17422366e0a9aaa3.png\")
.
The temperature does not comes to narmal position, since ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=78cc2241bfe2272e061b7696dc63c178.png\")
it means that the graph is concave up.
By observing the situation, it is uncomfortably hot and the person is going to suffer.
\![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
(b)
\The data is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=995decffcc0083079d48ca5ed6e32694.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e9ea94c10c44eb579aa2675a0ec0d497.png\")
.
At ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d015b29e798eed5307721991614bdd7d.png\")
the temperature is rising, since ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cca166a0e8615e2b17422366e0a9aaa3.png\")
.
At any time the temperature comes to a normal position, since ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cedaa5ceb24ce8e29756e281ccd37d0f.png\")
it means that the graph is concave down.
By observing this situation, it is compartively more hotter.
\![\"\"](\"/userfiles/image/steps_images/step3.JPG\")
(c)
\The data is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b0c9368248a3dd14eaf2ac1740cf9e2d.png\")
and ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fdc2006150e7f2c3decdc4bbb80f0b52.png\")
.
At the temperature is falling, since ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=38ed20a9f9b5ffc71e968ae51ba1f047.png\")
.
The temperature is steadily decreases, since ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=78cc2241bfe2272e061b7696dc63c178.png\")
it means that the graph is concave up.
By observing this situation, it is more comfortable in a very short period of time.
\![\"\"](\"/userfiles/image/steps_images/step4.JPG\")
(d)
\The data is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b0c9368248a3dd14eaf2ac1740cf9e2d.png\")
and ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e9ea94c10c44eb579aa2675a0ec0d497.png\")
.
At the temperature is falling, since ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=38ed20a9f9b5ffc71e968ae51ba1f047.png\")
.
At ant time the temperature comes to a normal position, since ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cedaa5ceb24ce8e29756e281ccd37d0f.png\")
it maens that the graph is concave down.
By observing this situation, it will take more time to comfort.
\![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
(a) It is uncomfortably hot and the person is going to suffer.
\(b) It is compartively more hotter.
\(c) It is more comfortable in a very short period of time.
\(d) It will take more time to comfort.