Question

Which of the following is a polynomial?

1) 2 √x
2) X+2
3) 1/y
4) m^-2

I want answer with full explanation
please​

Answer 1

Answer:

2) x+2

Step-by-step explanation:

A polynomial can have constants, variables and exponents, but never division by a variable.

A polynomial can't have a negative exponent.

Polynomials can have no variable at all, or one variable or two or more variables.