More
exercises

Iin the following webpages, you will find all kind of solved
problems. http://www.math.ucdavis.edu/~kouba/ProblemsList.html

In
particular, in http://www.math.ucdavis.edu/~kouba/CalcOneDIRECTORY/maxmindirectory/MaxMin.html
youšll find solved problems about optimization.

In

http://www.math.ucdavis.edu/~kouba/CalcOneDIRECTORY/graphingdirectory/Graphing.html youšll find solved problems about
graphing functions using first and second derivatives.

Another
link with exercises is: http://archives.math.utk.edu/visual.calculus/