The graph is attached.
Work Step by Step
We see that this equation is in the form $y=constant$, so it will be a horizontal line. This line passes through 4 on the y axis.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.