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Răspuns :

Răspuns:

a.lxl=5

b. lxl<8

c)  -3≤x-2≤-1

-3+2≤x≤-1+2

-1≤x≤1=>

lxl≤1

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a. y=4,5

y= -√3

c. y=0

d.y=0

Explicație pas cu pas: