lim -10x 2005+2x lim = 13x 4 - 200x38x lim 8个H lim x²-6x - 12-6x2 - √x²+10x x+x 14 –52 lim x-x 4 √x²+10x 14 – 5 - 13 = =

A function is said to have a horizontal asymptote if either the limit at infinity exists or the limit at negative infinity exists.
Show that each of the following functions has a horizontal asymptote by calculating the given limit.