SOLUTION: Which of the following describes the graph of {x | x ≤ 1} U {x | x ≥ 4}? closed circles on 1 and 4 with a line segment between closed circles on 1 and 4 with arro

Algebra ->  Graphs -> SOLUTION: Which of the following describes the graph of {x | x ≤ 1} U {x | x ≥ 4}? closed circles on 1 and 4 with a line segment between closed circles on 1 and 4 with arro      Log On


   



Question 824111: Which of the following describes the graph of {x | x ≤ 1} U {x | x ≥ 4}?

closed circles on 1 and 4 with a line segment between
closed circles on 1 and 4 with arrows pointing outward
the entire number line
no solution

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The big U means "union", combining both inequalities.

Not enough clue how to handle the rendering, so...
Filled circle at 1, and arrow pointing leftward; and filled circle at 4 and arrow pointing rightward. No points included between 1 and 4.