Solve the problem.What points of the surface 
are closest to the origin?
A. (2, -4, ±2)
B. (-2, -4, ±2)
C. (2, 4, ±2)
D. (-2, 4, ±2)
Answer: D
Mathematics
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Add. Write a mixed numeral for the answer.
A. 4
B. 4
C. 4
D. 4
Mathematics
Simplify.
A. 
B. x2
C. -x2
D. - 
Mathematics
Find the domain and the vertical asymptote of the function.f(x) = ln (4 - x)
A. Domain: (-?, -4); vertical asymptote: x = -4 B. Domain: (-?, 4); vertical asymptote: x = 4 C. Domain: (-4, ?); vertical asymptote: x = -4 D. Domain: (4, ?); vertical asymptote: x = 4
Mathematics
The measurement is 
in 3 . Find the precision and the greatest possible error of the measurement.
A. 
in 3 , 
in 3
B. 
in 3 , 
in 3
C. 
in 3 , 
in 3
D. 
in 3 , 
in 3
E. none of these
Mathematics