Question

If A = { x : x ϵ R , -1 ≤ x < 1 } ,
B = { x : x ϵ R , 0 ≤ x ≤ 4 } ,
then find A ∪ B and A ∩ B

(unnecessary answers not regarding this topic the account will be reported duly )​

Answer 1

Answer:

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

A intersection B = {0,1}

Answer 2

Answer is in the attachment.

Explanation :-

• Union of two set is basically the addition of two set of is a set containing elements of both the sets.

• Intersection refers to the common elements present in two sets.

• In the interval form, ( ) refers to open bracket and [ ] refers to close bracket.

• In open bracket, starting and ending numbers are not included whereas in closed bracket, they are included.

• x ∈ R means x belongs to the set of real number. Real number's set is represented by R