anonymous
  • anonymous
I need help with Calculus please!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Why I can get it right once I plug the formula..?? e^0.016(ln3)/0.049 Thanks!!
experimentX
  • experimentX
why not try plugin x=10 in D(x)
experimentX
  • experimentX
http://www.wolframalpha.com/input/?i=3*e^%28-0.033*10%29

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experimentX
  • experimentX
similarly plug x=12 in S(x)
anonymous
  • anonymous
Ok, hold on let try.
anonymous
  • anonymous
I got 2.96 and it is wrong, but I got the units rights. which is 22.42
anonymous
  • anonymous
@Hero please help to solve the last part.. I would like to know what I am doing wrong. Thanks!
anonymous
  • anonymous
Can you see the last part guys??
anonymous
  • anonymous
experimentX
  • experimentX
try putting x=22.42 units
anonymous
  • anonymous
I already did it is good but the price per unit its my problem.
anonymous
  • anonymous
@experimentX check the last attachment, so you can see what I need, Pleasee!!
experimentX
  • experimentX
yeah I'm checking ... isn't 2.16 and 1.21 correct answer?
anonymous
  • anonymous
Ohh Yes!! I realized after, I know how to do that part.
anonymous
  • anonymous
it is only the last part why, when I plug the formula in my calculator I don't get it right.
anonymous
  • anonymous
This one here :: e^0.016(ln3)/0.049
experimentX
  • experimentX
http://www.wolframalpha.com/input/?i=e^%280.016*x%29+%3D+3e^%28-0.033x%29
experimentX
  • experimentX
try this http://www.wolframalpha.com/input/?i=e^%280.016*22%29 or this http://www.wolframalpha.com/input/?i=e^%280.016*23%29 or this http://www.wolframalpha.com/input/?i=+3e^%28-0.033*22%29 or this http://www.wolframalpha.com/input/?i=+3e^%28-0.033*23%29
anonymous
  • anonymous
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..
anonymous
  • anonymous
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..
experimentX
  • experimentX
http://www.wolframalpha.com/input/?i=+3e%5E%28-0.033*22.42%29 http://www.wolframalpha.com/input/?i=+3e%5E%28-0.033*22.42%29 http://www.wolframalpha.com/input/?i=e%5E%280.016*22.42%29 http://www.wolframalpha.com/input/?i=e%5E%280.016*22.42%29

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