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. -15x lim x→o 8 + 2x 4х — 12 lim x→-0 x + 5x – 11 x² – 4x – 2 lim 11 – 3x2 - Vx2 + 6x lim 2 – 2x - Vx2 + 6x lim 2 – 2x X -00 |

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 7E
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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.
-15x
lim
x→0 8 + 2x
4х — 12
lim
x→-o x + 5x – 11
x² – 4x – 2
lim
||
11 – 3x2
-
Vx2 + 6x
lim
2 – 2x
Vx2 + 6x
lim
2 – 2x
X -00
|
Transcribed Image Text: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. -15x lim x→0 8 + 2x 4х — 12 lim x→-o x + 5x – 11 x² – 4x – 2 lim || 11 – 3x2 - Vx2 + 6x lim 2 – 2x Vx2 + 6x lim 2 – 2x X -00 |
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