*  Reading Outline, Sec3.7 *
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* Vocabulary/Definitions *
 - Explicit function of x
 - Implicit function of x
 - Implicit differentiation



* Understand *
1. Find dy/dx if y^3 - 3y^2 = 4x.


2. Find the equation of the tangent line to the curve y^3 - 3y^2 = 4x
at the point (-4,2).