Question

ME AJUDEM PFFFF
sendo A= {1,2,3,4,5}, B= {3,4,5,6,7}, C= {5,6,7,8,9}, determine:


a) AUB

b)AUC

c)BUC

d)AUBUC

e)A∩B

f)A∩C

g)B∩C

h)A∩B∩C

Answer 1

a) {1,2,3,4,5,6,7}

b) {1,2,3,4,5,6,7,8,9}

c) {3,4,5,6,7,8,9}

d) {1,2,3,4,5,6,7,8,9}

e) {3,4,5}

f) {5}

g) {5,6,7}

h) {5}