Question

Let S=[-4,-1), T=[-2,0], and W=(-infinity,-3).

For each intersection or union, choose the correct notation for the resulting interval. How would you do this?

Answer 1

1. S∪W
2. S∩T
3. S∪T
4. T∩W

these are the intersections or unions

Answer 2

just plot it on the no. line
& for intersection take the part common
& for union take all the parts

Answer 3

I'll try that thank you