Solve using Cramer's rule.-4x + 2y - z = -14 x + 2y - 8z = -22 3x + y + z = 19
A. (4, 3, 4)
B. (3, 4, 3)
C. (5, 1, 4)
D. (4, -3, -4)
Answer: A
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Find the sum of the series as a function of x.
A. - 
B. - 
C. - 
D. - 
Use the vertical line test to determine whether the graph represents a function.
A. not a function B. function
A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.It costs the company $1.31 to make each dog and $1.94 for each dinosaur. The company wants to minimize its costs. What are the coefficients of the constraint inequality for felt?
A. 1.31, 1.94 B. 1, 2 C. 4, 3 D. 1, 1
Find the limit of the following sequence.
?
?
A. 
B. 
C. 
D. 
E. The limit does not exist.