Solve the system by using the inverse of the coefficient matrix. x - y + 4z = -45x + z = 0 x + 2y + z = 8
A. (0, 4, -4)
B. (0, 4, 0)
C. No solution
D. (0, 0, 4)
Answer: B
Mathematics
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Write as a fraction or as a mixed number
%
A. 
B. 
C. 
D. 
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = ln(1 + sin 8x)
A. Q(x) = 1 + 8x + 32x2 B. Q(x) = 8x + 32x2 C. Q(x) = 1 - 8x + 32x2 D. Q(x) = 8x - 32x2
Mathematics
Solve the equation.2(7 - 3x) = 
A. 3
B. 1
C. 
D. -3
Mathematics
Use the limit definition of the partial derivative to compute the indicated partial derivative of the function at the specified point.Find 
at the point (-7, -5): f(x, y) = 7x2 + 7xy + 6y2
What will be an ideal response?
Mathematics