1. Rates of change
rate of change of function f on x = a is:


2. Derivative

Example:
Derivative of f(x) = 3x² + 1
= 3 (2x + h)
= 6x + 3h
Example:
Derivative of f(x) = 3x² + 1
= 3 (2x + h)
= 6x + 3h