The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (-5, 1)
B. (0, 1)
C. (1, -5)
D. Inconsistent
Answer: D
Mathematics
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Find the Jacobian 
or 
(as appropriate) using the given equations.
A. -6
B. - 
C. 6
D. 
Mathematics
Write the augmented matrix for the system. Do not solve the system. 7x + 4y = 39 5x + 3y = 29
A. 
B. 
C. 
D. 
Mathematics
For the piecewise function, find the specified function value.f(x) = {
f(4)
A. 18 B. 4 C. -6 D. 3
Mathematics
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. 
B. 
C. 
D. 
Mathematics