Which algebraic expression is a polynomial?

Option 2 -  

Step-by-step explanation:

To find : Which algebraic expression is a polynomial?

Solution :

Polynomial is defined is the expression consisting of several terms with variable and constant.

Polynomial is always positive not a negative exponential.

Option 1 -

This is not a polynomial because it has a negative exponent.

Option 2 -

This is a polynomial by definition.

Option 3 -

This is not a polynomial as   is not considerable.

Option 4 -

This is not a polynomial because it has a negative exponent.

Therefore, Option 2 is correct.

its the second choice.

step-by-step explanation:

the elements in the range will be 7 less than the elements in the domain.