Question

Write the union and the intersection of the numbers: [-7,0] and [-3,5]

i think i know the answer?
for the union its [-7,5] and for the intersection its [-3,0]
is that right? thank youuuu

Answer 1

Lets name the first set A and the second one B.

The union:

• A∪B = {-7,0}∪{-3,5} = {-7, -3, 0, 5}

The intersection:

• A∩B = {-7,0}∩{-3,5} = ∅ as no common elements