A rational expression is a fraction with polynomials in the numerator, the denominator, or both. When there is a polynomial in the denominator, the domain of the function must be restricted. Describe how you you determined what must be restricted from the domain and why?

Question

bibby · Answer

You set the denominator equal to 0 and solve. Dividing by 0 is undefined. Do you want an example?

anonymous · Answer

yeah, thank you

bibby · Answer

aight
find the domain of rhese 2 expressions $\huge \frac{x+2}{7}$
$\huge \frac{x^2+3x+5}{x^2+5x+6}$