I think the answer is option 3.
Answer:
B
Step-by-step explanation:
Just read and you will see why i say that
Answer:
The correct answer is x= - 3
Step-by-step explanation:
Answer: C
Step-by-step explanation: If B is the set of colleges that have a physics department.
B’ is the set of colleges that do not have a physics department.
U is the union, so we are going to put every element from A and B' together. It can be translated as OR.
A U B’ is the set of elements in a country that have a hockey team (A) or do not have a physics department (B’)
.
