Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.x2 + 2x > 1
A. (-?, -1 - 
) ? (-1 + 
, ?)
-1 -  | -1 +  |
B. (-?, -1 -
) ? (-1 + 
, ?)
-1 -  | -1 +  |
C. (-?, ?)
D. (-?, -2 -
) ? (-2 + 
, ?)
-2 -  | -2 +  |
Answer: A
Mathematics
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: upper hemisphere of x2 + y2 + z2 = 16 cut by the plane z = 0Density: ? = 5
A. Iz = 80?
B. Iz = 640?
C. Iz = 160?
D. Iz = 
?
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Solve the equation.
+ 
= 
A. 6, 4 B. -5, -5 C. 5, 5 D. 4, 6
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A feasible set has vertices (0, 5), (1, 1), (3, 8), and (9, 4). State the vertex that maximizes the objective function.x + 2y
Fill in the blank(s) with the appropriate word(s).
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Divide.
A. 2x2 + 2x - 5 + 
B. 2x2 + 2x - 5
C. x2 - 5 + 
D. 2x2 + 2x - 5 + 
Mathematics