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Determine the Relative (Local) Extrema of a Function on the TI-89 | Math Help from Arithmetic through Calculus and beyond
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How to Use a Graphing Calculator to Solve a Word Problem Involving a Local Extremum of a Polynomial Function | Precalculus | Study.com
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Pre-Calculus - How to find the maximum or minimum of a function using a calculator (Ti-83/84) - YouTube
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