Solve the problem.The student population of a small school has been increasing as shown in the following table. 
Take 1910 as year zero, and determine the linear or quadratic function that best fits the data.
A. f(x) = 0.16x2 - 17.5x + 106
B. f(x) = 0.1x2 - 10x + 440
C. f(x) = 0.27x2 - 29.1x - 410
D. f(x) = 5x - 93.2
Answer: B
Mathematics
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Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
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Solve.3 ? 2t - 1 or 9 ? 2t - 1
A. [2, 5] B. [-5, -2] C. (-?, 2] ? [5, ?) D. (-?,?)
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Identify the graph of the equation as a parabola, circle, ellipse, or hyperbola.5y = 5(x + 9)2
A. Ellipse B. Hyperbola C. Circle D. Parabola
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Find the current ratio and the acid-test ratio for the indicated year. Round each ratio to the nearest hundredth of a percent.
Last year current liabilities were $244,000.
A. 1.36; 0.67 B. 1.36; 0.81 C. 1.06; 0.81 D. 1.06; 0.69
Mathematics