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swin2013

  • 2 years ago

Calculus help??

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  1. swin2013
    • 2 years ago
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    b) if MVT applies, find each value of c in the invterval (a,b) that satisfies the equation f(x)ln(x-1) [2,4]

  2. swin2013
    • 2 years ago
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    MVT does apply

  3. swin2013
    • 2 years ago
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    |dw:1354508966296:dw|

  4. hieuvo
    • 2 years ago
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    |dw:1354508969756:dw|

  5. swin2013
    • 2 years ago
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    well i don't exactly understand finding f'c. i know that it's f'c = f(b) - f(a) / b-a so it's f(4) - f(2) - 4-2?

  6. swin2013
    • 2 years ago
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    i see that you took the derivative of the f(x) function

  7. hieuvo
    • 2 years ago
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    yep, that's the derivative, which is function for the slope. it should at least one c so that the slope be equal to the line go through 2 endpoints

  8. swin2013
    • 2 years ago
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    ohh yea, secant = tangent?

  9. hieuvo
    • 2 years ago
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    what do you mean by that?

  10. swin2013
    • 2 years ago
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    to prove that at c = 2/ln3 +1, the instantaneous is equal to the avg rate

  11. swin2013
    • 2 years ago
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    well you set the secant slope answer to the derivative to find c

  12. hieuvo
    • 2 years ago
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    you're right

  13. swin2013
    • 2 years ago
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    Ooooohhh ok thanks!!!

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