Derivatives have to do with the rate of change of a function, or how much something is changing as something else changes.

Definition of a Derivative

Derivative Rules Table

The Derivative of a Constant

The Derivative of a Constant Video

Constant Multiple Rule

Power Rule

Proof of the Power Rule

Using the Power Rule – Video

Sum Rule

Sum Rule Video

Difference Rule

Product Rule

Quotient Rule


Trig Functions

1st Derivative Test

Second Derivative Test

Chain Rule

Related Rates


L’Hôpital’s Rule