Question

-Seja = {x  RI – 1 < x ≤ 3},

B = {x
 R I -3 ≤ x
< 5}e C = {x e R I x ≥ 2 };

Determine:

a) A∩

b) A∩

c) C -B

Answer 1

a)

A∩B      -3 ≤ x< 5

b)

A∩C     2 ≤ x≤ 3

c)

C-B     x ≥ 5