Answer
No.
Work Step by Step
Given $f(x)=x^{3/2}-x^2+2$, we can determine it is not a polynomial function because of the $x^{3/2}$ term.
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.