MAT135H1 Lecture Notes - Lecture 29: Maxima And Minima, Minimax, Cubic Function

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Mat135 - lecture 29 - maximum and minimum values. We will begin to address it in this lecture and finish it next class. Given a function f on a domain d , find its largest and smallest values. Given f on an interval i , does f need . Since we have investigated this problem near the beginning of the term regarding intervals, we can conclude that to guarantee max and min on an interval i it is sufficient but not necessary to ask: Suppose f is continuous on the closed interval [ a , b ], then. F has both an absolute maximum and minimum on [ a , b ] At each local extremum, there is a horizontal tangent. This turns out to be a good but incomplete suggestion for this question. Maximum/minimum at c then either f ( c ) = 0 or f ( c ) does not exist.

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