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rayford Group Title

The number of milligrams of a drug that remains in a patient’s system after t hours is given by the function A(t) = Iert. Juan was given 600 milligrams of medicine which leaves his bloodstream at a rate of 30%. How much of the medicine remains in his system after 6 hours? 150.62 mg 133.90 mg 111.58 mg 99.18 mg

  • one year ago
  • one year ago

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  1. satellite73 Group Title
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    \(A(t)=le^{rt}\) ?

    • one year ago
  2. rayford Group Title
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    sir??

    • one year ago
  3. satellite73 Group Title
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    is that what you wrote?

    • one year ago
  4. rayford Group Title
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    yes..

    • one year ago
  5. rayford Group Title
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    i'm sorry

    • one year ago
  6. satellite73 Group Title
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    in any case i assume it is at a rate of 30% per hour, so you can solve this by computing \[600\times (.7)^6\]

    • one year ago
  7. rayford Group Title
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    ok i'm with you?

    • one year ago
  8. satellite73 Group Title
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    sure did you get the answer?

    • one year ago
  9. rayford Group Title
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    i got 49.412..?

    • one year ago
  10. satellite73 Group Title
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    hmm i don't get any of the above answers when i compute. not sure what is going on

    • one year ago
  11. satellite73 Group Title
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    oooh ok i see it. this is really not right, but i will go along with it in any case they want you to compute \[600e^{-.3\times 6}=600e^{-1.8}\]

    • one year ago
  12. bieberfan Group Title
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    rayford... thanks... btw im not a creeper u asked me first

    • one year ago
  13. satellite73 Group Title
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    looks like you get \(99.18\) rounded http://www.wolframalpha.com/input/?i=600e^%28-1.8%29

    • one year ago
  14. rayford Group Title
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    huh...that's kinda weird?

    • one year ago
  15. rayford Group Title
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    but ok thanks man..

    • one year ago
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