Solve the Problem $y = y _ { 0 } e ^ { - 0.40 t }$

question 265

Multiple Choice

Solve the problem.
-The amount of a certain drug in the bloodstream is modeled by the function $y = y _ { 0 } e ^ { - 0.40 t }$ , where y0 is the amount of the drug injected (in milligrams) and t is the elapsed time (in hours) . Suppose that 10 milligrams are
Injected at 10:00 A.M. If a second injection is to be administered when there is 1 milligram of the drug present in
The bloodstream, approximately when should the next dose be given? Express your answer to the nearest
Quarter hour.

• A) 5:45 P.M
• B) 5: 30 P.M
• C) 3:45 P.M
• D) 12:30 P.M

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Definitions:

Ribosomes

Cellular organelles that function as the site of protein synthesis, reading mRNA and assembling amino acids into proteins.

Ascocarp

The fruiting body of ascomycete fungi, where the spores, called ascospores, are produced within sac-like structures called asci.

Sporangium

Structure that produces spores.

Flagellated

Describes organisms or cells possessing one or more whip-like structures called flagella, used for movement.