SOLUTION: what is the correct answer to all real numbers at least -3 and at most -1 ?

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Question 471551: what is the correct answer to
all real numbers at least -3 and at most -1 ?
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
all real numbers at least -3 and at most -1.
There are three ways to express this.

1.  It can be expressed with this number line graph

-----------------⚫======⚫-------------------- 
-7  -6  -5  -4  -3  -2  -1   0   1   2   3   4 

2.  It can be expressed with this set-builder notation

             {x|-3 ≦ x ≦ -1}

3.  It can be expressed with this interval notation:

                [-3, -1]

Edwin