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butterflydreamer

  • one year ago

Differentiate: N = 400000 / (1 + e^-t) I completely forgot what formula to use :( Hints would be lovely :)

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  1. butterflydreamer
    • one year ago
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    this is the question: |dw:1433144667371:dw|

  2. amilapsn
    • one year ago
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    with respect to t?

  3. butterflydreamer
    • one year ago
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    yepp

  4. amilapsn
    • one year ago
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    quotient rule...

  5. anonymous
    • one year ago
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    use power differential \(d(x^a)/dx=ax^{a-1})\) and chain rule

  6. amilapsn
    • one year ago
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    myko's is better

  7. butterflydreamer
    • one year ago
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    alrightiess... so then it would just be: -400000 / ( 1+ e^-t)^2 ?

  8. anonymous
    • one year ago
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    dont forget chain rule

  9. amilapsn
    • one year ago
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    you've forgotten the chain rule

  10. anonymous
    • one year ago
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    \(d(e^{-t})/dt=-e^{-t}\)

  11. butterflydreamer
    • one year ago
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    oh snap. *** sorry i meant: |dw:1433145087396:dw|

  12. anonymous
    • one year ago
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    good

  13. butterflydreamer
    • one year ago
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    thank you both :)!

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spraguer (Moderator)
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