3: The Derivative
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- 3.4: Chain Rule
- There is one more type of complicated function that we will want to know how to differentiate: composition. The Chain Rule will let us find the derivative of a composition.
- 3.6: Implicit Differentiation and Related Rates
- The key idea behind implicit differentiation is to assume that y is a function of x even if we cannot explicitly solve for y. This assumption does not require any work, but we need to be very careful to treat y as a function when we differentiate and to use the Chain Rule.