Solve the problem.A building has an entry with the shape of a parabolic arch 92 ft high and 10 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.A = 92 ftB = 10 ft
A. x2 = -1.1y
B. y2 = -1.1x
C. x2 = -0.3y
D. y2 = -0.3x
Answer: C
Mathematics
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A. -8x2 + 5 B. 8x2 - 5 C. 5 - 8x2 D. -8x2 - 5
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Convert. Round to the nearest tenth unless otherwise indicated.The morning temperature dropped to 90°F. What is this temperature in degrees Celsius?
A. 194.0°C B. 32.2°C C. 18.0°C D. 130.0°C
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Solve the inequality and graph the solution set.-5x + 2(x - 8) ? 9x - (3 + 3x) - 76
A. (-?, 7]
B. (7, ?)
C. (-?, 7)
D. [7, ?)
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
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