This Power Point lesson is well-designed and ready to use in your AP Calculus class to introduce the concept of derivative. Included are examples which teach the limit definition of derivative, basic differentiation formulas, how to write an equation of a tangent line, linear approximation, and cases where the derivative does not exist. A blank copy of each slide is provided and ready to use in your classroom; a detailed answer key of the same slides is also included which will help you (the cal