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rocal2

  • 2 years ago

I need help with Calculus please!!

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  1. rocal2
    • 2 years ago
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    Why I can get it right once I plug the formula..?? e^0.016(ln3)/0.049 Thanks!!

  2. experimentX
    • 2 years ago
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    why not try plugin x=10 in D(x)

  3. experimentX
    • 2 years ago
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    http://www.wolframalpha.com/input/?i=3*e^%28-0.033*10%29

  4. experimentX
    • 2 years ago
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    similarly plug x=12 in S(x)

  5. rocal2
    • 2 years ago
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    Ok, hold on let try.

  6. rocal2
    • 2 years ago
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    I got 2.96 and it is wrong, but I got the units rights. which is 22.42

  7. rocal2
    • 2 years ago
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    @Hero please help to solve the last part.. I would like to know what I am doing wrong. Thanks!

  8. rocal2
    • 2 years ago
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    Can you see the last part guys??

  9. rocal2
    • 2 years ago
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  10. experimentX
    • 2 years ago
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    try putting x=22.42 units

  11. rocal2
    • 2 years ago
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    I already did it is good but the price per unit its my problem.

  12. rocal2
    • 2 years ago
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    @experimentX check the last attachment, so you can see what I need, Pleasee!!

  13. experimentX
    • 2 years ago
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    yeah I'm checking ... isn't 2.16 and 1.21 correct answer?

  14. rocal2
    • 2 years ago
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    Ohh Yes!! I realized after, I know how to do that part.

  15. rocal2
    • 2 years ago
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    it is only the last part why, when I plug the formula in my calculator I don't get it right.

  16. rocal2
    • 2 years ago
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    This one here :: e^0.016(ln3)/0.049

  17. experimentX
    • 2 years ago
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    http://www.wolframalpha.com/input/?i=e^%280.016*x%29+%3D+3e^%28-0.033x%29

  18. rocal2
    • 2 years ago
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    I only have 3 attemp and the right was 1.43, there were similar to the one you gave me.. But I need to have an exact way to do it so..

  19. rocal2
    • 2 years ago
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    Should I plug in the whole unit like 22.42 and the formula like you gave me on the web site? and might give me the right answer..

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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