The concentration D of a drug, in milligrams per deciliter, in the blood t hours after an injection is given by 
. What is the eventual concentration of the drug in the blood?
A. About 4.07 milligrams per deciliter
B. About 8.68 milligrams per deciliter
C. About 4.61 milligrams per deciliter
D. 0 milligrams per deciliter
Answer: D
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Solve the problem.Given the following voter profile, determine who has the majority of first place votes and then use the Borda Method to determine the outcome. Does the Borda method violate the majority criterion for the voter profile? 
A. a, b; yes B. b, b; no C. a, a; no D. b, a; yes
Change the order of integration and evaluate the integral.
A. 108? B. 72? C. 36? D. 54?
Graph the ellipse. Label the intercepts.
+ 
= 1
A. (- 
, 0), (
, 0), (0, - 
), (0, 
)
B. (0, - 
), (0, 
), (- 
, 0), (
, 0)
C. (- 
, 0), (
, 0), (0, - 
), (0, 
)
D. (- 
, 0), (
, 0), (0, - 
), (0, 
)