Multiple Choice
The amount D, in milligrams, of a drug in the bloodstream t minutes after injection is given by .
There are two times when there are 7 milligrams of the drug in the bloodstream.Find both times.Round your answer to two decimal places if necessary.
A) There are never 7 milligrams of the drug in the blood.
B) and
C) and
D) and
Correct Answer:

Verified
Correct Answer:
Verified
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