Learn more: http://www.khanacademy.org/video?v=dIE22eL6q90
Understanding concave upwards and downwards portions of graphs and the relation to the derivative. Inflection point intuition

Length: 9 minutes

Monotonicity Theorem

Length: 11 minutes

Calculus: Maximum and minimum values on an interval

Length: 20 minutes

Calculus: Graphing Using Derivatives