Solve.x3 - 2x2 < 11x - 12
A. (-?, -3) ? (1, 4)
B. (-?, 1) ? (4, ?)
C. (-?, 1)
D. (-3 , 1) ? (4, ?)
Answer: A
Mathematics
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A.
B.
C.
D.
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Simplify the fraction.
A.
B.
C.
D.
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Solve.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 16 ft and the vertical clearance must be 12 ft at a point 14 ft from the center. Find an equation for the ellipse.
A. +
= 1
B. +
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C. +
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D. +
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