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AP Calculus AB/BC
The derivative of a function with respect to the independent variable. It represents the rate of change of the function at any given point.
Tangent Line: A line that touches a curve at only one point and has the same slope as the curve at that point.
Piecewise Functions: Functions that are defined by different formulas or rules for different intervals or subdomains.
Chain Rule: A rule used to find the derivative of composite functions.