Question

Sendo A = [ - 1,4 [ ;B =]2,5] e C={ X £ R / 15 X <5 }, determine,
a) A U B
b) A ∩ C
c) B ∩ C
d) A - B
e) B - C
f) C - A

Answer 1

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

b. ]- infinito,2]

c. [2]

d. [-1,0,1,3,4]

e.[3,4,5]

f.[-2,0,1,2]