Definition of the Derivative
- Author:
- Kristen Beck
- Topic:
- Calculus, Derivative
Select the limit that you would like to evaluate, and then move the slider to change the value of . Notice that:
- the difference quotient (in blue) is equal to the slope of the secant line to passing through and , and
- the limit of the difference quotients (in red) is equal to the slope of the tangent line to at .