Question

01)Sendo A={0,1,3,7} e B={2,4,5,7},detetmine:
a)AUB=
b)A-B=

Answer 1

$\large\boxed{\begin{array}{l}\sf A=\{0,1,3,7\}~~B(2,4,5,7)\\\tt a)~\sf A\cup B=\{0,1,2,3,4,5,7\}\\\tt b)~\sf A-B=\{0,1,3\}\end{array}}$