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Math Help - Differentiation

  1. #1
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    Differentiation

    Hi I am just looking for some help on a question for college. I have attached the question 4 doc, I have parts 1, 2 & 3 done I think that I have part 4 done right (I have attached my attempt so far) but I don't what to do for parts 5 & 6 if anyone could help that would be great. Cheers
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  2. #2
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    Re: Differentiation

    In part 4, you've found that a minimum occurs at x_0=-2.89 and a maximum occurs at x_1=0.23 (I didn't check if this was correct). This is where the min/max point is, and should be the only answer for part 4. The min/max value is the second number you wrote down in each case: f(x_0)=-9.34 is a minimum value and f(x_1)=9.38 is your maximum value. These second numbers are the answers to part 5.

    Putting the two into pairs (-2.89,-9.34);(0.23,9.38) as you did in part 4 actually gives you the answer for part 6. So in essence, you implicitly answered parts 5 and 6 in your answer to part 4.
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