Solve using matrices. 3x + y = 11 4x + 3y = 8
A. (-4, -5)
B. (5, -4)
C. (-4, 5)
D. (5, -5)
Answer: B
Mathematics
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. 
Mathematics
Use the properties of logarithms to evaluate the expression.eln x41
A. ex41 B. x C. x41 D. ln x41
Mathematics
Determine whether the function is one-to-one. If it is one-to-one find an equation or a set of ordered pairs that defines the inverse function of the given function.f = {(0, 0), (1, 1), (-2, 9)}
A. not one-to-one
B. one-to-one; f-1 = {(0, 0), (1, -2), (9, 1)}
C. one-to-one; f-1 = {(0, 0), (1, 1), (9, -2)}
D. one-to-one; f-1 = 
Mathematics
Decide whether the given matrix could be a transition matrix.
A. Yes B. No
Mathematics