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anonymous

  • one year ago

Find f. f ''(x) = 10 + 6^x + 36x2, f(0) = 5, f (1) = 18 For my answer i got 5x^2+x^3+3x^4 +2 but i got it wrong, please help!

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  1. anonymous
    • one year ago
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    *36x^2

  2. sparrow2
    • one year ago
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    is it x^6 or 6^x

  3. anonymous
    • one year ago
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    just 6x sorry i typed it in wrong

  4. anonymous
    • one year ago
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    10+6x+36x^2

  5. sparrow2
    • one year ago
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    |dw:1436037643104:dw|

  6. sparrow2
    • one year ago
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    it took me a while to form an equation sorry

  7. sparrow2
    • one year ago
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    kx+c is constant for the first derivative,which means that it will perish in the second

  8. anonymous
    • one year ago
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    @sparrow2 could you show me how you got the 4x and 5

  9. sparrow2
    • one year ago
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    i knew that i needec constant for f(x),but it didn't satisfy the equation f(1)=18,

  10. sparrow2
    • one year ago
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    look at f(x), make sure that its second derivative is correct.then just write f(0)=5 so c=5 and f(1)=18 so k=4

  11. anonymous
    • one year ago
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    Im still confused... what did you do to get k=4?

  12. anonymous
    • one year ago
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    Got to break off for lunch. Back in 25 minutes

  13. anonymous
    • one year ago
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    A solution using the Mathematica program for the calculations, is attached.

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