Can anyone explain how to do these two problems? I don't understand them at all: Thanks
Last edited by mr fantastic; March 12th 2011 at 01:39 AM. Reason: Re-titled.
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What is the condition to have a horizontal tangent?
slope of the function = 0...why?
In other words, . I assume you can find the derivative of . Then, find values of , , for which the equation has exactly two, exactly one, or no solutions.
Originally Posted by colerelm1 slope of the function = 0...why? You are meant to think a little bit harder than this when asked a leading question.
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