Finding the maximum and minimum values of a function also has practical significance because we can use this method to solve optimization problems, such as maximizing profit, minimizing the amount of material used in. A maximum is a high point and a minimum is a low point. Erdman portland state university version august 1, 20 c 2010 john m. In a smoothly changing function a maximum or minimum is always where the function flattens out except for a saddle point. A local maximum of a function f is a point a 2d such that fx fa for x near a. With calculus, sixth edition, stewart conveys not only the utility of calculus to help you develop technical competence, but also gives you an appreciation for the intrinsic beauty of the subject. Use features like bookmarks, note taking and highlighting while reading calculus. If the boundary is a rectangle or set of straight lines, then it is possible to parameterize the line segments and determine the maxima on each of. James stewart s calculus texts are worldwide bestsellers for a reason. Similarly, f has a local minimum at a if fx fa for x near a, and the value fa is called a local minimum value. Finding the maximum and minimum values of \f\ on the boundary of \d\ can be challenging. Early transcendentals 8th edition answers to chapter 4 section 4. The maximum and minimum values of \f\ will occur at one of the values obtained in steps \2\ and \3\.
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