Question

3. Sabendo que
A = {x + 2| -3 < x < 4}
B = {x E ZI-5 <X<2}
Determine:
а. А∩B
b. AUB
C. A-B
d. B-A​

Answer 1

supondo que o conjunto A tbm seja de inteiros:

A={0,1,2,3,4,5}

B={-4,-3,-2,-1,0,1}

А∩B={0,1}

AUB={-4,-3,-2,-1,0,1,2,3,4,5}

A-B={2,3,4,5}

B-A={-4,-3,-2,-1}