Here is a graph of an interval.

Graph of an interval on a number line. There is a hollow circle at -2.5 and everything left of that is shaded.

Please type:
  • inf for ,
  • >= for ,
  • and <= for
    Write this inequality in set-builder notation:
    An example of set-builder notation is . The | symbol is above the keyboard’s Enter key.
    Write this inequality in interval notation:

You can earn partial credit on this problem.