Lesson 7 - Numerical Derivatives, Applications, and Higher-Order Derivatives
          Example 1
          Example 2
          Example 3
          Example 4
          Example 5
          Example 6
          Example 7
          Example 8
          Example 9

Applications
          Equations of tangent lines
          Example 10
          Example 11
          Example 12

          Rate of change, function value, average rate of change
          Example 13
          Example 14
          Example 15
          Example 16
          Example 17
          Example 18
       
          Velocity
          Example 19
          Example 20

          Where is f'(x) = k?
          Example 21
          Example 22

Higher Order Derivatives
          Higher order derivatives
          Example 23
          Example 24
          Example 25
          Example 26