# How do you graph #|7x| \ge 21#?

##### 1 Answer

May 31, 2018

#### Answer:

Please refer to the **explanation** below.

#### Explanation:

Firstly, simplify the expression.

So we have,

Since you are going to plot this on 2-D, mark the critical lines, i.e.,

Now shade all the region on the Right Hand Side of

And, region on the Left Hand Side of

You will get your requird graph.