![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Observe the graph :
\The slope of the function is increasing on the left hand side.
\So the derivative of the functionis also starts from positive and it increases.
\From ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9427e024285ad91b89d39d129677cb63.png\")
, the graph increases right side but the derivative function decreases.
Plot the graph with above conditions.
\![\"\"](\"/userfiles/187-64.gif\")
The derivative of the graph of the function is
\.