Question

3. Dados A= [2, 7] e B= [-1,5 [, determine: A-B
(A) ]2, 7]
(B) [2, 5[
(C) ] 2,5]
(D) [5, 7[
(E) [-1, 7]
4. Determine A n B, quando: A= [-1, 2[ e B= [0, 5].
(A) [0, 2]
(B) [2, 5[
(C) [-1,5]
(D) [0, 2[
(E) [-1,0]
5. Quando A =] -1, 4[ e B = [-3,3 ], determine A U B.
(A) [3,4]
(B) ]-3,4[
(C) [-1,3]
(D) [-3,41
(E) [-3, 3]​

Answer 1

Resposta:

e a (e) mar que essa tudo bem