Chapter 2 - Solving Linear Inequalities - 2.5 - Solving Compound Inequalities - Exercises - Page 85: 5

$x\leq -7$ or $x\geq -4 $

Let the variable is $x$. The graph represent the union of two inequalities. $-7$ is a close circle (included). The inequality is $x\leq -7$. $-4$ is a close circle (included). The inequality is $x\geq -4$. The compound inequality is $x\leq -7$ or $x\geq -4 $.