I was going over my notes and never quite solidified in my head how to write range interval notation. I was just wondering if someone could explain that to me so I know for next year. Lets take this graph for example:
View attachment 20220
I know that {x | XER} but am unsure how to do the range.
View attachment 20220
I know that {x | XER} but am unsure how to do the range.