Rationalize the denominator. 

A.
B.
C.
D.


Answer: D

Mathematics

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Determine whether the integration formula is correct.  dx = x(sin-1 x)2 - 8x + 2 sin-1 x + C

A. Yes B. No

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Simplify the power of i. 

A. -i B. i C. -1 D. 1

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Determine whether the given point is a solution to the linear inequality.-2x - 7y ? 19: (8, -5)

A. Yes B. No

Mathematics

In a study conducted by a certain country's Economic Development Board, it was found that the Lorentz curve for the distribution of income of stockbrokers was described by the function

?

?
and that of high school teachers by the function
?

?
Compute the coefficient of inequality for each Lorentz curve. Round your answers to the nearest hundredth.
?
Which profession has a more equitable income distribution?
?

A.
B. ?
C. ?
D. ?

Mathematics