(1 point) 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. -4x lim I-+0 2 + 2x 5x - 3 lim 1-+ 00 23+ 91-7 lim x - 4x - 9 5 - 972 lim Vx+ 5x 1 +0 4 - 15x lim Vx2 + 5x 1/15 4 - 15x Note: You can earn partial credit on this problem. Preview My Answers Subm