The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = - log (x)
B. y = log (-x)
C. y = - log (-x)
D. y = log (x)
Answer: B
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Find the equation of the line with the given properties.Is perpendicular to the line 6x - 1.2y - 5.8 = 0 and passes through 
A. x + 5y - 7.1 = 0 B. x + 5y - 3.7 = 0 C. 5x - y + 14.3 = 0 D. 0.2x - y + 2.86 = 0
Perform the indicated operations and simplify the expression.
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A. 
B. 
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D. 
E. 
Solve.To estimate the number of people in Springfield, population 10,000, who have a swimming pool in their backyard, 250 people were interviewed. Of those polled, 122 had a swimming pool. How many people in the city might one expect to have a swimming pool? (Round to the nearest whole number, if necessary.)
A. 20,492 people B. 4880 people C. 3 people D. 488 people
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.2x2 - 2y2 = 102x2 + 4y2 = 34
A. {(-3, -2), (-2, -3)} B. {(3, -2), (3, 2)} C. {(3, 2), (-3, 2), (3, -2), (-3, -2)} D. {(3, 2), (2, 3), (-3, -2), (-2, -3)}