Find the points of inflection.f(x) = 
x4 - 3x3 + 12
A. (0, 12), (3, -28.5)
B. (0, 12), (3, -27)
C. (3, -28.5)
D. (3, 0)
Answer: A
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Solve the problem.A triangle drawn on a map has sides of lengths 7.0 cm, 12 cm, and 15 cm. The shortest of the corresponding real-life distances is 99 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 46 km B. 212 km C. 124 km D. 170 km
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A. 9(cos 315° + i sin 315°)
B. 9(cos 300° + i sin 300°)
C. 3
(cos 300° + i sin 300°)
D. 3
(cos 315° + i sin 315°)