# Chapter 1 - Equations and Inequalities - Exercise Set 1.7 - Page 196: 23

(6,$\infty$)

#### Work Step by Step

An intersection of 2 sets is the portion on the number line they share in common. In this case numbers in both [3,$\infty$) and (6,$\infty$). The numbers they share are those greaterthan 6.

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