Learning goals: Teacher Facing Calculate the end behavior of a rational function by rewriting it in the form $f(x)=q(x)+\frac{r(x)}{b(x)}$. Generalize from specific rational functions to state relationships between the end behavior and the degrees of the numerator and denominator. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from Alg2.2 Polynomials and Rational Functions, Algebra 2.