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. ?
Answer: A
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Solve the given equation without using a graphing calculator.-3x4 + 15x3 - 15x2 - 15x + 18 = 0
A. 1, 3, -3, 2 B. 1, 3, 2, -1 C. -1, -3, -2 D. 1, -1, 3, -3
Add.90,461 + 77,687 + 1090
A. 204,238 B. 167,233 C. 169,238 D. 168,238
Find the axis of symmetry of the quadratic function.f(x) = x2 - 4x - 1
A. x = -4 B. x = 2 C. x = -2 D. x = -5
Write the function g in terms of the function f where the graph of g is given by the following transformations of the graph of f. The graph of f(x) = x is vertically shrunk by a factor of 
. Then the graph is shifted 2 units upward.
A. g(x) = - 
f(x) + 2
B. g(x) = 
f(x + 2)
C. g(x) = f
+ 2
D. g(x) = 
f(x) + 2