Find the LCD for the rational expression.
, 
A. (x + 2)2
B. (x - 2)2
C. (x - 2)(x + 2)2
D. (x + 2)(x - 2)
Answer: D
Mathematics
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Write as a percent.
A. 55.556% B. 50% C. 5.556% D. 555.56%
Mathematics
Find the domain and range for the function.
A. D: {-6, -4, 4, 6}; R: {-4, -2, 4, 6} B. D: {-4, -2, -1, 3, 4, 6}; R: {-6, -4, -2, 2, 4, 6} C. D: {-6, -4, -2, 0, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6} D. D: {-6, -4, -2, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6}
Mathematics
Find the limit as x approaches c of the average rate of change of the function from c to x.c = -2; f(x) = 4x2 - 4
A. 16 B. -20 C. -16 D. Does not exist
Mathematics
Multiply.(9 - 10x)(9 + 10x)
A. 81 - 10x2 B. 81 - 100x2 C. 81 + 180x - 100x2 D. 81 - 180x - 100x2
Mathematics