Solve the system using the inverse matrix method.
A. x = -1, y = 3; (-1, 3)
B. x = -3, y = 1; (-3, 1)
C. x = 1, y = -3; (1, -3)
D. x = 3, y = -1; (3, -1)
Answer: C
Mathematics
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Find the indicated derivative. Assume that x is restricted so that ln is defined.Dx ln 
A. 
B. 
C. 
D. 
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Solve the problem.A company finds that consumer demand quantity changes with respect to price at a rate given by 
Find the demand function if the company knows that 806 units of the product are demanded when the price is $5 per unit.
A. D = 
+ 306
B. D = 
+ 306
C. D = 
+ 806
D. D = 
+ 806
Mathematics
Factor the expression completely, if possible.x2 + 12x + 36
A. (x + 36)(x + 1) B. (x + 6)(x - 6) C. (x - 6)2 D. (x + 6)2
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Use the row transformation described to transform the matrix.
A. 
B. 
C. 
D. 
Mathematics