Question

Dados M={xer/o≤ x ≤5}, e S={xer/1≤ x ≤ 7}, determine: a) M-S b) S-M c) M∩S d) MUS

Answer 1

a) {0,1,2,3,4,5}-{1,2,3,4,5,6,7}= {0}

b){1,2,3,4,5,6,7}-{0,1,2,3,4,5}= {6,7}

c){0,1,2,3,4,5}∩{1,2,3,4,5,6,7}={1,2,3,4,5}

d){0,1,2,3,4,5}∪{1,2,3,4,5,6,7}={0,1,2,3,4,5,6,7}