Simplify the expression.

 
?

A.  

?


B.  

?


C.  

?


D.  

?


E.

Answer: B

Mathematics

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Find the inverse of the function.f(x) = 

A. f-1(x) = (x + 8)3
B. f-1(x) =  - 8
C. f-1(x) = x3 + 8
D. f-1(x) = (x - 8)3

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Solve the equation.0.13(x + 30) + 0.17(x + 60) = -12.9

A. {30} B. {-90} C. {90} D. {-30}

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Perform the indicated operations. Write the result using a radical. Assume that all variables represent positive values. ? 

A.
B.
C.
D.

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Translate the sentence into an equation. Use x to represent the unknown number. 10 times a number, increased by 1, is the same as 12 times the number, decreased by 9.

A. 10(x + 1) = 12(x - 9) B. 10x + 9  = 12x - 1 C. 10x + 1 = 12x - 9  D. 10(x - 9) = 12(x + 1)

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