Domain: all real numbers Range: (-infinity, -9]
Work Step by Step
The variable is not in the denominator, so the domain is all real numbers. The vertex is at (0,-9), and this is the highest point on the graph.
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.