Determine the values of x for which the radical expression is a real number. Express your answer as an inequality or write "all real numbers".

A. x ? 9
B. x ? 9
C. all real numbers
D. x ? 54


Answer: A

Mathematics

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Evaluate the integral by changing the order of integration in an appropriate way.

A. 3
B. 3
C.
D.

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Find the extreme values of the function and where they occur.y = x3 - 3x2 + 6x - 8

A. The minimum is 4 at x = -1. B. The maximum is 4 at x = 1. C. The maximum is 4 at x = 2. D. None

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Perform the addition. 

A. 5,887 B. 5,987 C. 5,977 D. 4,931

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Find an equation of the line that has the given slope and contains the given point.m = - , (0, 0)

A. y = - x
B. y = - 
C. y = - x
D. y = x - 

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