Question

Determinar la siguiente operación. Si A = ] - ∞ , 2[ y B = { -2 , 2} Determine A ∪ B

Answer 1

Tenemos.

A = ] - ∞ , 2[
B = [ - 2 , 2]
                            A
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<-----------------------------------------¡--------------------¡----------------------------->
                                                 -2                       2
                                                  [xxxxxxxxxxxx]
                                                              B

A u B = ] - ∞ , 2]

Respuesta.
AUB = (- ∞ , 2]