Question

12. Se consideră intervalele: A = [-5; 8], B = [-2; 7), C = (-3; 0), D= [-2; 2], E = (-3; 8). Calculaţi: 12 a) AUB; d) (AB) nC; Efacturati b) CD; e) (An B) UE; c) (AUB) UC; f) (En D) Z.​

Answer 1

a) A∪B = [-5;8]

b) C∩D = [-2;0]

c) (A∪B) ∪ C = [-5;8]

d) (A∩B) ∩ C = (-3;0)

e) (A∩B) ∪ E = (-3;8)

f) (E∩D) ∩ Z = [-2;2]