Consider the following 0-1 integer programming problem:

If we wish to add the constraint that no more than two of these variables must be positive, how would this be written?

A) 2X + 2Y + 2Z ? 3
B) X + Y + Z ? 2
C) X ? 2, and Y ? 2, and Z ? 2
D) X, Y, Z ? 2
E) None of the above

B

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Which of the following symbols represents the change or manipulation of the independent variable?

A) O B) X C) C D) I E) M

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Choose the correct sentence

A) Send an email to Craig and me when you finish the project. B) Send an email to Craig and I when you finish the project. C) Us girls were disappointed with our performance at last night's basketball game. D) Between you and I, this course is more challenging than I thought it would be.

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