2.10.1 The Chain Rule Defined, with Examples - Analytic Geometry and Calculus I

In this video, we state the chain rule, which allows us to differentiate composite functions. Then we work a number of examples. For our last example, we view the graph of the original function, its derivative, and some representative tangent lines to emphasize that the derivative is a formula for the slope of the tangent line of the original function.
Graph: www.desmos.com/calculator/pvw...