Answer
See graph and explanations.
Work Step by Step
Answers may vary. One example with $b=1, m=1,n=-1$ is given in the figure where the solution region is the purple area on the right side.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.