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[Part2] What is the value of the objective function at (X1, X2)=(8, 2)?

Non-negativity: X1, X2, X3 >=0

[Part 3] The objective function (in terms of X1, X2, and X3)

[Part3] The constraint for cashews

[Part2] In Table 1, what cell reference designates the Target Cell in “Solver”?

[Part3] The constraint for walnuts

[Part1] Which of the following variables is considered to be qualitative?

[Part2] What is the value of the objective function at (X1, X2)=(4, 6)?

[Part1] A linear programming problem has the following two constraints:

(Part SA) If the profit for product X was reduced to $4 (i.e., $5 becomes  $4) while at the same time the profit for product Y was increased to $7 ($4 becomes  $7), what would be the new profit (i.e., the value of the objective function)?