Solve the problem.Find the value for x in the cube. Use exact values. 
3 ft
A. 3
ft
B. 9 ft
C. 3 ft
D. 3
ft
Answer: A
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Sketch the graph and show all local extrema and inflection points.y = |x2 - 2x|
A. Local maximum: 
Inflection points: (0, 0), (2, 0)
B. Local minima: (0, 0), (2, 0)
Local maximum: 
No inflection points
C. Local minimum: 
No inflection points
D. Local minima: (0, 0), (2, 0)
Local maximum: 
Inflection points: (0, 0), (2, 0)
Solve the equation.6x + 3 = 7(x - 4)
A. 25 B. -31 C. 31 D. -25
Find the real solutions of the equation by factoring.x3 + 3x2 - x - 3 = 0
A. {-1, 1, -3} B. {-3, 3} C. {9} D. {1, -3, 3}
Solve the problem.Two pulleys of diameter 6 m and 3 m are connected by a belt. The larger pulley rotates 30 times per min. Find the angular velocity of the smaller pulley.
A. 90? radians/min B. 120? radians/min C. 60? radians/min D. 180? radians/min