Section 4.4
Concavity and Curve Sketching
Concavity, inflection points, the Second Derivative Test, and curve sketching
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Lesson 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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