More explanation of derivatives and discussion of formal limits as they pertain to slope.
Questions answered by this video:
What is the formula for a derivative?
What is the formal limit definition of a derivative?
How do you find the derivative of a function using limits?
How do you find the derivative of g(x) = 3x + 1 using the formal definition of a derivative?
What is the slope of the tangent line to 3x + 1?
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This lesson explains the idea of using limits to understand the definition of a derivative. It also shows how to calculate the derivative of a function using the limit definition.