Use the indicated row operation to change the matrix.Replace R2 by 
R1 + 
R2. 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify by combining like terms.7x - 6 + 4x + 11
A. 16 B. 11x2 + 5 C. 16x D. 11x + 5
Mathematics
Find the effective rate corresponding to the nominal rate. Round to the nearest hundredth of a percent.10% compounded monthly
A. 10.47% B. 10.57% C. 10.60% D. 10.42%
Mathematics
Round to the indicated place value.Round to the nearest thousandth: 0.3899
A. 0.380 B. 0.390 C. 0.400 D. 0.399
Mathematics
Solve the problem.On the day when Julie left for her vacation, the function that converted U.S. dollars to British pounds was f(x) = 0.54521x, where x is the number of U.S. dollars and f(x) is the number of British pounds. Find the inverse function.
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = x - 0.54521
Mathematics