Unit G Summary Question # 10 Range of a Rational Function

While the domain of a rational function depends on DIVAH, what do you think the range of a rational function depends on? Give an example.

• The range of a rational function depends on the horizontal asymptote and its holes. (RIHAH). Just as the vertical asymptotes we the "boundaries" of the domain, the horizontal asymptotes will be the boundary of the range. Holes in the graph are still considered the bad values.