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 25%. How much of the medicine remains in his system after 6 hours?

Question

anonymous · Answer

$$\large 600\times e^{.25\times 6}$$ and a calculator

anonymous · Answer

What is the answer? I am not getting the right answer.

anonymous · Answer

oh because there should be a minus sign in the exponent!

anonymous · Answer

would it be 133.88 mg?

anonymous · Answer

http://www.wolframalpha.com/input/?i=600e^%28-.25*6%29

anonymous · Answer

that is what i get, yes

anonymous · Answer

Can you help me on another problem?

anonymous · Answer

sure why not?

anonymous · Answer

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