Read the section 2.2 "Infinite Limits and Limits at Infinity" and respond the following questions. 1. Fill in the blank: i. A function f(x) has a at x = a when f(x) or when f(x) - as x a* or x a. In a rational function, if the degree of the numerator and denominator are both the same, the horizontal asymptote is Limits at infinity are use to describe the function. of a