Defining the derivative of a function and using derivative notation (K-A)

Finding tangent line equations using the formal definition of a limit (K-A)

Formal and alternate form of the derivative (K-A)

Formal definition of the derivative as a limit (K-A)

The derivative of x² at any point using the formal definition (K-A)

The derivative of x² at x=3 using the formal definition (K-A)

Worked example: Derivative as a limit (K-A)

Worked example: Derivative from limit expression (K-A)