- Below are non-examples of rational expressions. Why are these not rational expressions? (Hint: Keep in mind the definition of a polynomial.)
- \(\dfrac{3-\sqrt{x}}{2+x}\)
- \(\dfrac{x+2}{4+\dfrac{1}{x}}\)
- \(\dfrac{x-4}{3-3}\)
- \(2^x\)
- Generate a list of attributes that keep an expression from being a rational expression.