Solve the system of equations by Gauss-Jordan elimination.
A. {(-2, 0, 5)}
B. {(-2, 5, 0)}
C. {(0, 5, -2)}
D. ?
Answer: C
Mathematics
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Choose the graph that matches the function. f(x) = -3x + 4
A. 
B. 
C. 
D. 
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Decide whether the relation is a function.{(-6, -3), (-3, -9), (4, 1), (6, -9)}
A. Function B. Not a function
Mathematics
Use the graph to find the vertical asymptotes, if any, of the function. 
A. x = -2, x = 2, y = 0 B. x = -2, x = 2 C. none D. x = -2, x = 2, x = 0
Mathematics
Write the expression in the standard form a + bi.
A. 1 + 3i B. -1 + 3i C. -1 - 3i D. -1 + 10i
Mathematics