For being a linear programming objective function, the units of the LHS should be equal to units of RHS
This implies that the RHS should be a linear sum of the variables.
Only Z = 0.5A - 2B + 3C + 4D satisfies this condition,
Other options have terms like 2BC,3ABC,4ABCD,2B/C which do not satisfy the condition of linear programming equation
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For the products A, B, C and D, which of the following could be a linear...
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D) 5f-->4d
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A
B
C
D provide IUPAC
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