Open intervals

Open intervals A = (x-2; 2x-1) and B = (3x-4; 4) are given. Find the largest real number for which A ⊂ B applies.

Correct answer:

x =  2.5

Step-by-step explanation:

3x4<=x2 2x1<=4  2x<=22x<=5  x<=1x<=2.5  x=2.5

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