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Last one! Thanks for all the help!

Last one! Thanks for all the help!-example-1

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Presumably [B] and [D] have been marked off as incorrect. That leaves us with [A] and [C].

The solid lines represents the "or equal to" line, (<= or >=), while the dotted line just represents "not equal to" (< or >).


Pick any point inside of the feasible region. I'm going to pick (5, -5). Slot the values in to an equation, and if it ends up true, then that's the equation you're looking for, otherwise, it's likely the other one.


2(5) + 3(-5) <= 5
10 + -15 <= 5
-5 <= 5
TRUE

From this answer alone, I pretty much know the answer is [A], as [C] has the same inequalities, but they are inverse. Though, I'll prove to you the other equation of part [A] as well.

-3(5) + 2(-5) < 6
-15 + -10 < 6
-25 < 6
TRUE
User Efel
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