Answer
Not a function
Domain: {1}
Range: {4,5,6}
Work Step by Step
There are repeats in the domain.
The number 1 has an output of 4,5, and 6.
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.