Find the domain of the given function. f(x) = 
A. [-2, 2]
B. (-?, -2) ? (0, ?)
C. (-?, 0] ? [2, ?)
D. (-?, -2] ? [0, ?)
Answer: D
Mathematics
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Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = 
i + 
j
What will be an ideal response?
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Graph the system of inequalities.x + 2y ? 2x + y ? 0
A. 
B. 
C. 
D. 
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find the cross product and determine whether the proportion is true or false.
= 
A. 144 = 144; true B. 18 ? 288; false C. 72 = 72; true D. 36 ? 144; false
Mathematics