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anonymous

  • one year ago

???

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  1. diamondboy
    • one year ago
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    Hi

  2. diamondboy
    • one year ago
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    Do u have a text?

  3. anonymous
    • one year ago
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    Like answers?

  4. diamondboy
    • one year ago
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    like a text book

  5. anonymous
    • one year ago
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    Its online but I have the answer choices

  6. diamondboy
    • one year ago
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    ok then since u cant check it

  7. diamondboy
    • one year ago
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    f(-3) must equal f(1), it must be differentiable ion the interval (-3,1) and continuous on the interval [-3,1]

  8. zzr0ck3r
    • one year ago
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    Now take the derivative and set it equal to \(0\).

  9. anonymous
    • one year ago
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    Thank you! When I derive it I get 2x+2=0

  10. anonymous
    • one year ago
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    Then x=-1

  11. zzr0ck3r
    • one year ago
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    correct

  12. zzr0ck3r
    • one year ago
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    They are not showing you why rolls theorem is important. For this problem you could have simply took the derivative and set it equal to 0 and then saw that -1 was indeed between -3 and 1. The real reason for Roll's theorem is sometimes it is not so easy to take the derivative of the function. But we need to know if it becomes zero, and we then can use Roll's theorem without taking the derivative

  13. anonymous
    • one year ago
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    Oooooo okay

  14. anonymous
    • one year ago
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    Thank you both for your help!

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