20 plus -14 explain how you know

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

What is the result of the following division?

What function has a range {yly< 5}? question on picture above^