Solve using artificial variables.Minimizew = 18x1 + 11x2subject to:2x1 + 2x2 = 14 6x1 + 2x2 ? 36 2x1 + 4x2 ? 24 x1 ? 0, x2 ? 0
A. Minimum is 84 for x1 = 1, x2 = 6
B. Minimum is 112 for x1 = 5, x2 = 2
C. Minimum is 77 for x1 = 0, x2 = 7
D. Minimum is 115.5 for x1 = 5.5, x2 = 1.5
Answer: D
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Solve the equation.
- 
= 4
A. {-96} B. {96} C. {92} D. {-92}
Convert the weight as indicated.272 ounces to pounds
A. 27 lb B. 68 lb C. 18 lb D. 17 lb
Remove or add parentheses as indicated.Rewrite a(b + c) - d(p + q) without parentheses.
A. ab + ac - dp + dq B. ad + ac - dp - dq C. ab + ac - dp - dq D. ab + ac + dp - dq
Provide an appropriate response.What is the discriminant for 16x2 - 8x + 1 = 0? How many and what type of solutions does this equation have?
A. Discriminant: 64; Two rational solutions B. Discriminant: 63; Two irrational solutions C. Discriminant: -64; Two nonreal complex solutions D. Discriminant: 0; One rational solution