Răspuns:
Explicație pas cu pas:
[tex]\bf A= ( -5, +\infty)[/tex]
[tex]\bf B= \bigg( -\dfrac{1}{5} , \dfrac{7}{5}\bigg) = \big( -0,2~;~1,4\big)[/tex]
[tex]\bf A \cap B= \big( -5 ; \infty \big) \cap \big( -0,2~;~1,4\big) =\purple{\big( -5 ;~ 1,4\big)}[/tex]
[tex]\bf 1,2~ \in ~A\cap B \longrightarrow Adevarat[/tex]
