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liubo4ka [24]
3 years ago
14

The inequality 2x+2≤x+4≤3x+4 means that x is in the closed interval [A,B]

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
5 0

Answer:

Step-by-step explanation:

2x+2≤x+4≤3x+4

means : 2x+2≤x+4  ...(1) and x+4≤3x+4

(1) : 2x-x≤4-2   so : x≤2....(*)

(2) :3x+4 ≥x+4    .... 3x-x ≥ 0    so: x≥0 ....(**)

by (*) and (**) : 0≤x≤2   so : A=0  and B = 2

kap26 [50]3 years ago
5 0
Hope you can understand this easily

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