This inequality has a symbol: 3
+423
X+2
But the graph of the solution contains an open
circle.
H HOHHH
-8 -6 -4 -2 0 2 4 6 8
Explain why the solution does not include x = -2.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours