Section 4.1
Using First and Second Derivatives
Critical points, concavity, inflection points; sketching graphs from first and second derivatives.
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Lesson on Concavity and the Second Derivative Test for Concavity
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Examples on Concavity and the Second Derivative Test for Concavity
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Examples of The Second Derivative Test for Extrema
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Example of Curve Sketching with a Trigonometric Function
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Example of Curve Sketching with Rational Exponents and a Cusp
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