Write the system of linear equations as a matrix equation AX = B, and use Gauss-Jordan elimination on the augmented matrix 
to solve for the matrix X.
A. 
B. 
C. 
D. 
E. 
Answer: D
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The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = 1
A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x + 2)2 + 3 B. y = -(x - 3)2 + 2 C. y = -(x - 3)2 - 2 D. y = -(x + 3)2 + 2
Find the sum of the infinite geometric series, if possible. If it is not possible, explain why. If necessary, round to three decimal places.9 + 3 + 1 + . . .
A. 13.5
B. 14.5
C. 13
D. The sum does not exist because 
? 1.