Answer
This is a linear function.
Work Step by Step
A sum of monomials is a polynomial.
The leading monomial has degree 1, so it is a linear function.
This is a linear function.
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.