- Derivative as slope of a tangent line
- Tangent slope as limiting value of secant slope example 1
- Tangent slope as limiting value of secant slope example 2
- Tangent slope as limiting value of secant slope example 3
- Tangent slope is limiting value of secant slope
- Calculating slope of tangent line using derivative definition
- The derivative of f(x)=x^2 for any x
- Formal and alternate form of the derivative
- Formal and alternate form of the derivative for ln x
- Formal and alternate form of the derivative example 1
- The formal and alternate form of the derivative