Introduce slack variables as necessary and write the initial simplex tableau for the problem.Maximize z = x1 + 2x2 subject to: x1 + x2 ? 20 3x1 + 2x2 ? 40 2x1 + 3x2 ? 60 x1 ? 0, x2 > 0 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the value of the expression.2[62 + 6(6 + 6)]
A. 84 B. 156 C. 216 D. 1008
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Evaluate the exponential expression.(2.3)3
A. 6.9 B. 1.2167 C. 12.167 D. 121.67
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Determine algebraically whether the function is even, odd, or neither.f(x) = -9x2 + 8
A. even B. odd C. neither
Mathematics