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The solution (2,1) is feasible for which of the following inequalities?

 

-2x - 4y > -6

 

2x - 4y < 0

 

-2x + 4y greater than or equal to sign 0

 

2x + 4y less than or equal to 6

 Dec 18, 2020
 #1
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Just input, (2,1) is for (x,y), so for the first one -4 - 4 = -8, False, the second, 2 - 4 = -2, false, the third, -2 + 4 = 2, true, and the fourth, 2 + 4 = 6, true. Both 3 and 4

 Dec 18, 2020
 #2
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But it has to be one or the other? I'm confused 

 Dec 18, 2020

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