Match the system of equations with one of the graphs.x2 - y2 = 121x2 + y2 = 49
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Express the following in interval notation.{x|10 < x}
A. (10, ?) B. (-?, 10) C. (-?, 10] D. [10, ?)
Mathematics
Perform the indicated operations.(10x2 + 15x - 11) + (30x + 11)
A. 10x2 + 45x B. 55x3 C. 10x2 + 45x - 22 D. 10x2 + 15x + 22
Mathematics
Find functions f and g so that f ? g = H.H(x) = |4 - 3x2|
A. f(x) = x2 ; g(x) = 4 - 3|x| B. f(x) = 4 - 3|x|; g(x) = x2 C. f(x) = 4 - 3x2 ; g(x) = |x| D. f(x) = |x|; g(x) = 4 - 3x2
Mathematics
Factor.49 - z2
A. (7 - z)(7 + z) B. (7 + z)2 C. (z - 7)(z + 7) D. (7 - z)2
Mathematics