Răspuns:
[tex]\bf a)~ x < -2\implies \blue{\underline{x \in (- \infty,-2 )}}~~(A)[/tex]
[tex]\bf b)~ 1\leq x \leq 5\implies \purple{\underline{x \in [1,5 )}}~~(F)[/tex]
[tex]\bf c)~ -1<x <1 \implies \pink{\underline{x =0}}~~(F)[/tex]
[tex]\bf d)~ -7<x <3 \implies \red{\underline{x \in (-7,3 )}}~~(A)[/tex]
