Find the domain of the function.f(x) = 
A. all real numbers, or (-?, ?)
B. {x|x ? -7}, or (-?, -7) ? (-7, ?)
C. {x|x < 7}, or (-?, 7)
D. {x|x ? 0}, or (-?, 0) ? (0, ?)
Answer: B
Mathematics
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A. 81m4 - 3456m3n - 1296m2n2 - 96mn3 - 16n4 B. 81m4 - 216m3n - 216m2n2 - 96mn3 - 16n4 C. 81m4 - 3456m3n + 1296m2n2 - 96mn3 + 16n4 D. 81m4 - 216m3n + 216m2n2 - 96mn3 + 16n4
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Represent the shaded area in the figure group with a mixed number.
A. 
B. 1
C. 1
D. 5
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Determine the vertex of the parabola.y = 
(x + 4)2 - 2
A. (2, 4) B. (4, -2) C. (-4, -2) D. (-2, -4)
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Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. 
B. - 
C. 
D. - 
Mathematics