+0  
 
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avatar+170 

Express this collection of points on the number line using interval notation.

 Feb 15, 2021
 #1
avatar+29193 
+2

Includes the points   -4     and  + 3   (solid dots)    but does not include   + 5  (open dot)

 

( -∞ ,-4[ 3,5)

 Feb 15, 2021
 #2
avatar+79 
+3

This is the collection of all points $x$ that satisfy $x \leq -4$ or $3 \leq x < 5$. These intervals are $(-\infty, -4]$ and $[3, 5)$, so the entire collection of points is $\boxed{(-\infty, -4] \cup [3, 5)}$.

 Feb 15, 2021

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