Where can I find good practice questions on derivatives and extrema?

[PrudensOptimus]

Where can you find some really good Practice Questions for Derivatives, Extremas?

 

[quantumdude]

I'm not too sure, but you can try rummaging around some math sites that we have collected. See this thread, and look at the third post.

https://www.physicsforums.com/showthread.php?s=&threadid=204