Solve the problem.The number of books in a small library increases according to the function B = 7200e0.02t, where t is measured in years. How many books will the library have after 5 years?
A. 16,579
B. 7957
C. 7200
D. 9064
Answer: B
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Find the area of the specified region.Shared by the circles r = 2 and r = 4 sin ?
A. 
(2? + 3
)
B. 
?
C. 2?
D. 
(4? - 3
)
Solve the problem.Which voting method may violate the majority criterion?
A. plurality B. plurality with elimination C. Borda count D. pairwise comparison
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
Solve the problem.Last week Fred found roundtrip airfare to Dublin, Ireland for nine hundred dollars and eighteen cents. Write the digits of the cost of airfare.
A. $90.18 B. $900.18 C. $0.918 D. $918.00