Find the coordinates of the vertex of the parabola.y = 2x2 - 20x + 46
A. (4, -5)
B. (-5, 4)
C. (-4, 5)
D. (5, -4)
Answer: D
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Solve the problem.The percent of U.S. households that access the Internet by dial-up is shown on the graph, where the year 2000 corresponds to 
Use the ordered pairs from the graph to write an equation to predict the percent of U.S. households that will access the Internet by dial-up in 2008. Round to the nearest percent. 
A. 35% B. 41% C. 53% D. 48%
Find the domain of the rational function.f(x) = 
A. {x|x ? 3, x ? -5} B. all real numbers C. {x|x ? -3, x ? 5} D. {x|x ? 3, x ? -3, x ? -5}
Solve.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 75 seconds are required to make a 5-by-5 enlargement, find the time required for a 7-by-7 enlargement.
A. 147 sec B. 245 sec C. 196 sec D. 98 sec
Find the accounts receivable turnover rate and the average age of the accounts receivable. Round to the nearest tenth.Accounts receivable at start of year: $90,000Accounts receivable at end of year: $45,000Net sales: $740,000
A. 11.0, 33.2 days B. 9.9, 27.3 days C. 12.1, 32.7 days D. 12.1, 27.3 days