Solve the system of equations using matrices. Use Gaussian elimination with back-substitution.3x + 5y - 2w=-132x + 7z - w=-14y + 3z + 3w=1-x + 2y + 4z=-5
A. {(-1, - 
, 0, 
)}
B. {(
, - 
, 0, 
)}
C. {(
, -2, 0, 
)}
D. {(1, -2, 0, 3)}
Answer: D
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Use a graphing utility to find the solution of the equation. Round to the nearest thousandth.x2 - 2x - 5 = ex - 5 + 2
A. {-1.865, 3.860} B. {-1.831, 3.900} C. {-1.828, 3.886, 9.035} D. {-1.828, 3.886}
Find the vertical asymptotes of the rational function.g(x) = 
A. x = -7, x = 7 B. x = -7 C. x = 7 D. x = 49
Determine whether the rule defines y as a function of x.XY 
A. Function B. Not a function
Solve the problem.The information in the chart below gives the salary of a person for the stated years. Model the data with a linear function using the points (1, 24,700) and 
Then use this function to predict the salary for the year 2005. 
A. $36,250 B. $36,270 C. $36,230 D. $36,290