Consider the following rational functions: 2x - 1 x²-x-2 3+27 r(x) = 1²+ 4 (a) Which of these rational functions has a horizontal asymptote? (b) Which of these functions has a slant asymptote? (c) Which of these functions has no vertical asymptote? (d) Graph y = u(x), showing clearly any asymptotes and x- and y-intercepts the function may have. s(x) = = x³ - 9x x + 2 u(x) = = x²+x-6 1²-25

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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9. Consider the following rational functions:
2x - 1
+27
3³ - 9x
1²-x-2
+² +4
x + 2
(a) Which of these rational functions has a horizontal asymptote?
(b) Which of these functions has a slant asymptote?
(c) Which of these functions has no vertical asymptote?
(d) Graph y
u(x), showing clearly any asymptotes and x- and y-intercepts the
function may have.
=
s(x) =
-
t(x) =
u(x) =
x²+x-6
²-25
Transcribed Image Text:9. Consider the following rational functions: 2x - 1 +27 3³ - 9x 1²-x-2 +² +4 x + 2 (a) Which of these rational functions has a horizontal asymptote? (b) Which of these functions has a slant asymptote? (c) Which of these functions has no vertical asymptote? (d) Graph y u(x), showing clearly any asymptotes and x- and y-intercepts the function may have. = s(x) = - t(x) = u(x) = x²+x-6 ²-25
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