Solve the inequality by using the graph of the function.f(x) < 0, where f(x) = (x + 4)(x + 2)(x - 2).
A. (-?, -4) ? (-2, 2)
B. (-4, -2) ? (2, ?)
C. (-2, 2)
D. (-?, -4) ? (-2, ?)
Answer: A
Mathematics
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Write the equation for the plane.The plane through the point P(1, -5, 6) and parallel to the plane 
A. -6x - 6y + 2z = -12 B. -6x - 6y + 2z = 36 C. -6x - 6y + 2z = -36 D. 4y = 36
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Factor.x6 + 16x2
A. x4(x2 + 16) B. x2(x4 + 16x) C. 16x2(x4 + 1) D. x2(x4 + 16)
Mathematics
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-2.5, 2.2) 
A. decreasing B. increasing C. constant
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Solve the problem.Susan has been working on a job that will require 45 hours to complete. If she has completed 
of the job, how many hours has she worked?
A. 40 hours
B. 20 hours
C. 5 hours
D. 4
hours
Mathematics