# Chapter 2 - Cumulative Review - Page 115: 28a

Refer to the image below for the graph. The interval notation equivalent of the given set is: $(-\infty, -3]$.

#### Work Step by Step

The given set covers the x-values that are less than or equal to $-3$. This means that its graph will be the region to the left of, and including $-3$ To graph the set, plot a solid dot at $x=-3$ then shade the region to its left. (refer to the attached image in the answer part for the graph) The interval notation equivalent of the given set is $(-\infty, -3]$.

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