Use the simplex method to solve the linear programming problem.Maximizez = 2x1 + 5x2 + 3x3subject to: 2x1 + x2 + 3x3 ? 9 4x1 + 3x2 + 5x3 ? 12withx1 ? 0, x2 ? 0, x3 ? 0
A. Maximum is 20 when x1 = 0, x2 = 4, x3 = 0
B. Maximum is 12 when x1 = 6, x2 = 0, x3 = 0
C. Maximum is 60 when x1 = 0, x2 = 9, x3 = 5
D. Maximum is 45 when x1 = 0, x2 = 9, x3 = 0
Answer: A
Mathematics
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Write the number in words.47,803
A. four thousand seven, eight hundred three B. forty-seven thousand, eight hundred three C. forty-seven thousand, eighty-three D. forty-seven hundred thousand, eight hundred three
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Solve the inequality. Write the solution set using interval notation and graph it.
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A. 
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B.
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C.
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D.
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Find the present value or future value. Round to the nearest cent.Present Value: 
Interest Rate: 7.4%Time: 158 daysFuture value: $121
A. $117.14 B. $107.55 C. $117.19 D. $117.74
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Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No
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