Write the expression as the sum or difference of logarithms.log2 
A. log2 u - 16
B. log2 u + 4
C. 4 - log2 u
D. log2 u - 4
Answer: D
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Solve.?x? ? 10
A. (-?, -10] B. (-?, -10] ? [10, ?) C. (-?, 10] D. [-10, 10]
Solve the problem.The area of a square is given by A = S2, where S is the length of a side. What is the area of a square with side 
A. 12.96 cm2 B. 46 cm2 C. 7.2 cm2 D. 51.84 cm2
The standard minimum problem:Minimize 
subject to
has the following final tableau for the dual problem. Give the solution to the original problem.
What will be an ideal response?
Restrict the domain of the function f so that the function is one-to-one and has an inverse function. Then find the inverse function f-1. State the domains and ranges of f and f-1. ? f(x) = (x - 5)2 ?
A. 
?
The domain of f and the range of f-1 are all real numbers x such that x ? 5.
The domain of f-1 and the range of f are all real numbers x such that x ? 0.
B.
?
The domain of f and the range of f-1 are all real numbers x such that x ? 0.
The domain of f-1 and the range of f are all real numbers x such that x ? -5.
C.
?
The domain of f and the range of f-1 are all real numbers x such that x ? 5.
The domain of f-1 and the range of f are all real numbers x such that x ? 0.
D.
?
The domain of f and the range of f-1 are all real numbers x such that x ? 0.
The domain off-1 and the range offare all real numbersxsuch thatx ? 5.
E.
?
The domain of f and the range of f-1 are all real numbers x such that x ? -5.
The domain of f-1 and the range of f are all real numbers x such that x ? 0.