Evaluate the expression by hand. Variables represent any real number.
A. 2x2
B. 64
C. 4x2
D. -2x2
Answer: A
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Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The lines 
, 
, and 
A. 
B. 
C. 
D. 
Identify the intersection of the plane with the solid.Egg-shaped
The remainder of the figure is below the plane.
A. Semicircle
B. Circle or oval
Find the axis of symmetry of the quadratic function.f(x) = -7(x - 2)2 - 5
A. x = -5 B. x = -7 C. x = 2 D. x = -2
Solve the problem.A landscaping company sells 40-pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.75 pound. Write an inequality involving absolute value that expresses the relationship between the actual weight x of a bag and 40 pounds. Over what range may the weight of a 40-pound bag of to soil vary?
A. |x - 40| ? 0.75; {x|39.25 ? x ? 40.75} B. |x - 40| ? 0.75; {x|x ? 39.25 or x ? 40.75} C. |x - 40| < 0.75; {x|39.25 < x < 40.75} D. |x - 40| ? 0.75; {x|39.25 ? x ? 40.75}