Apply row operations to the augmented matrix to find the solution to the linear system.
A. x = 18, y = -9, z = 4
B. x = -9, y = 4, z = 18
C. x = 9, y = 1, z = 4
D. x = 9, y = 4, z = 1
Answer: D
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Let A = 
, B = 
, C = [2 3], X = 
(a) Give the linear programming problem whose matrix formula is "Maximize CX subject to AX ? B and 
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Find the indicated function value if it exists. If it does not exist, state this.g(x) = 
; g(9)
A. 3
B. 
C. 2
D. 