Questão 2341860

\(\left\{x\ ∈\ \mathbb{R}\ tal\ que\ -1<x<5\right\}\)

\(\left\{x\ ∈\ \mathbb{R}\ tal\ que\ x>4\right\}\)

\(\left\{x\ ∈\ \mathbb{R}\ tal\ que\ x<-3\right\}\)

\(\left\{x\ ∈\ \mathbb{R}\ tal\ que\ 2<x<6\right\}\)