Find the domain of the rational function.f(x) = 
A. all real numbers except 
B. all real numbers except - 
C. all real numbers except 
, 1
D. all real numbers except 
Answer: A
Mathematics
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Shade the region in the xy-plane that satisfies the system of inequalities.(x + 2)2 + (y - 4)2 ? 9(x - 2)2 + (y - 4)2 ? 9
A. 
B. 
C. 
D. 
Mathematics
Find the area of the circle with the given radius or diameter. Use ? ? 3.14.d = 4.1 in.Round your answer to the nearest tenth.
A. A ? 12.9 in.2 B. A ? 13.2 in.2 C. A ? 25.7 in.2 D. A ? 52.8 in.2
Mathematics
Evaluate.
5
A. 
B. - 
C. 
D. - 
Mathematics
Determine the real solutions to the system of nonlinear equations.xy = -12x + y = -4
A. (-2, 6), (6, -2) B. (-2, -6), (6, 2) C. (2, -6), (-6, 2) D. (2, 6), (-6, -2)
Mathematics