Solve the problem.What is the domain of the function f(x) = 
?
A. (-?, -9) ? (4, ?)
B. [4, ?)
C. (-?, -9) ? [4, ?)
D. (-?, -9)
Answer: C
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A solution contains 0.54 liters of sulfuric acid. If this represents 12% of the total amount, find the total amount.
A. 5 liters B. 0.5 liters C. 1.5 liters D. 7 liters E. 4.5 liters
Find the area bounded by the given curves.y = x2, y = 4
A. 
B. 
C. 
D. 
Solve the problem.A country is made up of four regions A, B, C, and D. The population of each region, in thousands, is given in the following table.
According to the country's constitution, the congress will have 20 seats, divided among the four regions according to their respective populations.(a) Find the standard divisor , in thousands.(b) How many people are there for each seat in the congress?
A. 57; 57,000 B. 20; 20,000 C. 60; 60,000 D. 58; 58,000
Write an equation for the ellipse.foci at (0, 11), (0, -11), through the point 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1