It is a solution.
Work Step by Step
We plug in the point to see if it results in a true statement: $$ 3(1)-6\geq -3 \\ -3\geq -3 \\ True$$
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.