Question

how to determine whether a number given is a polynomial or not ​

Answer 1

Answer:

Step-by-step explanation:

polynomial means a equation with no negative powers for variables

by this we can say that given equation is polynomial or not

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Answer 2

Step-by-step explanation:

The given expression is a polynomial only is the power of the variable is a whole number.

Ex: $\sqrt{x} +2$ is not a polynomial because we can rewrite this as $x^{\frac{1}{2} } +2$

$\frac{1}{2}$ is not a whole number so it is not a polynomial.