Question

4. Sendo A = [-4, 2[ e B = { x ε R | -2≤ x ≤ 7}, calcule AU B, A∩B, A - B e B – A.

Answer 1

Resposta:

Boa Tarde

A U B = (-4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7)

A ∩ B = (-2, -1, 0, 1)

A - B = (-4, -3)

B - A = (2, 3, 4, 5, 6, 7)