Answer
The function is not one-to-one
Work Step by Step
The function is not one-to-one because the y-value 5 has two different x-values(-5 and 13)
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.