In a study conducted by a certain country's Economic Development Board regarding the income distribution of certain segments of the country's workforce, it was found that the Lorentz curve for the distribution of income of college professors is described by the function







Compute the coefficient of inequality of the Lorentz curve. Round to the nearest thousandth.



Hint: Use the formula .





A. 0.331

B. 0.809

C. 0.589

D. 0.31


Answer: B

Mathematics

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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.

A. 0.00142857 B. 700 C. 100 D. 0.07

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Simplify. Unless otherwise specified, assume that variables can represent any number.

A. 16 B. 3 C. 5 D. 4

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Find one solution graphically and then find the remaining solutions using synthetic division.3x4 + 2x3 - 76x2 - 50x + 25 = 0

A. 5, -1, 
B. -5, 5, -1, 
C. 5, -5, 1, - 
D. 5, -5, 1, -1

Mathematics

Solve the problem.The resistance, in ohms, of a 25 foot piece of wire is given by the function , where d is the diameter of the wire in inches. What happens to the resistance of the wire as the diameter of the wire decreases?

A. The resistance increases. B. The resistance remains constant. C. The resistance decreases. D. The answer cannot be determined without additional information.

Mathematics