Lesson 12 - Analyzing Polynomial Functions
          Increasing/Decreasing overview
          Example 1
          Critical Numbers overview
          Example 2
          Example 3
          Increasing/Decreasing Intervals overview
          Example 4
          Example 5
          Relative Extrema overview
          Example 6
          Concavity overview
          Example 7
          Concavity Intervals overview
          Example 8
          Inflection Points overview
          Example 9
          Regression Equation - Example 10
          Analyzing a Polynomial Function overview
          Example 11