Page 95 - Calculus Demystified
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CHAPTER 3 Applications of the Derivative
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                                                               Fig. 3.1
















                                                               Fig. 3.2















                                                               Fig. 3.3

                                   SOLUTION
                                     Of course this is a simple and familiar function, and you know that its graph
                                   is a parabola. But it is satisfying to see calculus confirm the shape of the graph.
                                   Let us see how this works.
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