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anonymous

  • 5 years ago

How do you find a local maximum? What about a local min? (I always get confused with these two)

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  1. anonymous
    • 5 years ago
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    Max and mins are indicated by the sign of the derivative. That is, when a derivative changes from negative to positive, you have a local minimum. When it changes from positive to negative, you have a local maximum.

  2. anonymous
    • 5 years ago
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    It helps to draw a graph also, try sketching a graph of a few examples (just the basic shape, and approximately where the axis will be), then add on the sketch the co-ordinates of the max + mins, you should start to see a pattern.

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