Stage 36 · Limits, Derivatives & Their Applications
36.6.3 The Best Choice in Everyday Life
36.6 Derivatives at Work: Optimization in Action
Point 3 of 5
36.6.3 The Best Choice in Everyday Life
Core ideaThe point where cost, time, or return works out best is right where the derivative is zero.
Module goal. Translate real-world "cheapest" and "largest" problems into finding extremes of a function, use derivatives to deliver the best plan, and look back over the whole journey to open the door ahead.