Question

Operaçoes com intervalos:
Determine AUB e A ∩ B
A= {x ∈ IR/ -3 ≤ x < 1 }
B= {x ∈IR/ 0 < X< 3}

Answer 1

AUB = {X€IR/-3<=X<3}
AпB = {X€IR/0<X<1}