Add or subtract as indicated.(4x2y + 6xy) - (6x2y + 4xy2) - (2xy + 5xy2)
A. -2x2y + 9xy2 + 4xy
B. -2x2y + 9xy2 + 8xy
C. -2x2y - 9xy2 + 4xy
D. -7x2y - 4xy2 + 4xy
Answer: C
Mathematics
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A. True B. False
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Find an equation of the circle satisfying the given conditions.Center at (-6, 4), passing through (6, -8)
A. (x + 6)2 + (y - 4)2 = 288 B. (x - 6)2 + (y + 4)2 = 1 C. (x + 6)2 + (y - 6)2 = 0 D. (x - 6)2 + (y + 6)2 = 16
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Graph the two functions on one coordinate plane.f(x) = x2g(x) = (x + 2)2 - 7
A. 
B. 
C. 
D. 
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Tell whether or not the relation is a function.{(-6,9), (-5,-1), (-1,-4), (3,6)}
A. Yes B. No
Mathematics