## Section 2.8 - The Derivative as a Function

**Section Details:**
- The limit definition of a derivative
- Finding the derivative using the limit definition
- Finding the tangent line and instantaneous rate of change using the limit definition of the derivative
- How the graph of the derivative relates to the graph of the original function

Using the limit definition to find derivatives of functions and vector functions

Using the limit definition to find a derivative and proving the power rule