SOLUTION: The concentration of a drug (in milligrams per liter) in a medical pateitsn bloodstream is given by the forumla C(t)= 8/t^2 +2 Where t is the time in hours after the drug is give

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Question 1004078: The concentration of a drug (in milligrams per liter) in a medical pateitsn bloodstream is given by the forumla
C(t)= 8/t^2 +2
Where t is the time in hours after the drug is given. How long will it take for a patient to have 1.5 milligrams per liter of a drug in their system?

Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
8%2Ft%5E2%2B2=1.5

8%2Ft%5E2=-1%2F2

t%5E2%2F8=-2

t%5E2=-16

t=0%2B-+sqrt%28-16%29

t=0%2B-+i%2Asqrt%284%29
This is nonsense.
What is the actual function?

Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!
The concentration of a drug (in milligrams per liter) in a medical pateitsn bloodstream is given by the forumla
C(t)= 8/t^2 +2
Where t is the time in hours after the drug is given. How long will it take for a patient to have 1.5 milligrams per liter of a drug in their system?
C%28t%29+=+8%2F%28t%5E2+%2B+2%29 -------- highlight_green%28t+=+1.825742%29 hours