Question

1 - (FGV-SP). Sejam os intervalos A = ]-1 ,1], B =]0, 2] e C = [-1,1]. 0 intervalo

C U ( A ∩ B) é:

(FAVOR REALIZAR TODAS AS CONTAS)


a) ]-1,1]

b) [-1,1]

c) [0,1]

d) ]0,1]

Answer 1

Resposta:

$\textsf{Leia abaixo}$

Explicação passo a passo:

$\mathsf{A = \{\{0\},\{1\}\}}$

$\mathsf{B = \{\{1\},\{2\}\}}$

$\mathsf{C = \{\{-1\},\{0\},\{1\}\}}$

$\mathsf{A \cap B = \{\{1\}\}}$

$\mathsf{C\cup(A \cap B) = \{\{-1\},\{0\},\{1\}\}}$

$\boxed{\boxed{\mathsf{C\cup(A \cap B) = [-1,1]}}}\leftarrow\textsf{letra B}$