Answer:
Answers below
Explanation:
Polynomial is an expression with two or more algebraic terms.
So for example, 14 is not a polynormal because it doesn't have two or more terms. 14 is a monomial. So the answers are:
14 - No.
x^3-2x+4 - Yes.
14√x - No.
(1/x)+1 - No.
x+1 - Yes.
x^-2-2x+4 - Yes.