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September 21, 2014

September 21, 2014

Posted by **John** on Wednesday, November 9, 2011 at 2:00am.

(a) Write a differential equation for the quantity, , of hydrocodone bitartrate in the body at time , in hours, since the drug was fully absorbed.

- calculus -
**Reiny**, Wednesday, November 9, 2011 at 8:11amamount = 12 (1/2)^(t/3.7) where t is in hours.

- calculus -
**Steve**, Wednesday, November 9, 2011 at 11:03amHowever, to answer the question,

da/dt = ka

The boundary conditions will reveal that

k = ln(1/2)/3.7

- calculus -
**Steve**, Wednesday, November 9, 2011 at 11:04amOops forgot about the 15. Toss it in as needed.

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