Solve the problem.Carney and Dobler sell home and mortgage insurance. Their sales for the months of July and August are given in the matrices. Home MortgageA = 
J = 
Find the matrix that would give the change in sales.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = x2 and y = 3
A. 
= 0, 
= 5
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Mathematics
Evaluate the derivative.f'(-2) if f'(x) = (x2 - 1)(4x) + (bx2 + 1)(2x)
A. 96 B. -60 C. 94 D. 68
Mathematics
Solve the equation.-x = 4
A. {0} B. {1} C. {-4} D. {4}
Mathematics
Find an equation of a parabola that satisfies the given conditions.Vertex (5, -4), focus (8, -4)
A. (y + 4) = 
B. x - 5 = 3(y + 4)2
C. 
(x - 5) = (y + 4)2
D. (x - 5) = 
Mathematics