geometry

5.03a assessment Review the content for section 5.03a. Use the practice problems to show whether or not the rational expressions are closed under the following operations. Upload your answers in the dropbox provided. 10 points each

1. Is the set of rational expressions closed under ​subtraction​? Explain

- = ______________p(x)q(x) r(x) s(x)

2. Is the set of rational expressions closed under ​multiplication​? Explain

( ) ( ) = _______________p(x)q(x) r(x) s(x)

3. Is the set of rational expressions closed under ​division​? Explain

= ________________p(x)q(x) ÷ r(x) s(x)