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# 2.2 Defining the Derivative of a Function and Using Derivative Notation

Sumi Vora

279Β resources
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## Derivatives Defined

π₯Watch: AP Calculus AB/BC - The Limit Definition of a Derivative
Recall that a derivative represents the instantaneous rate of change at a single point on function, and is also represented by the slope of the tangent line at that point.Β π
The derivative of 3x^2 is always going to be 6x, but in a concrete form, we can establish the rate of change of a single point on the function by simply plugging in that x-value.Β π€
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