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8 Cards in this Set
- Front
- Back
optimization problems you find
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min and max
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absolute and local
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its local if its a min but there is something within the interval which is more of a min?
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extreme value theorem
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if f is continuous on a closed interval, then f contains an abs max and abs min at some place
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if its at an endpoint,
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can't be both local and absolute max/min
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more on extreme value theorem
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if not continuous, then need not have extremes
if open interval, then maybe not extreme |
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fermat's theorem
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if f has a local max or min at c, and if f'(c) exists, then f'(c) = 0
but sometimes if f'(c) = 0 there actually isn't a max or min |
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critical number
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if f'(c) = 0 or f'(c) does not exist
if max or min, then definitely is a critical value of f |
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closed interval method
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to find ABSOLUTE min and max values of continuous function on closed interval:
1. find critical numbers 2. find the values of f at the endpoints of the interval 3. the largest of the values from step 1 and step 2 take the smallest and largest of both as min and max |