Show whether or not the graphs of the functions below have vertical asymptotes by evaluating the given limits. Enter INF for o and –INF for -00. Σ 1. lim x - 3 E 2. lim 3 1 2 3. lim -7 x2(x+ 7)

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter9: Polynomial And Rational Functions
Section9.5: Graphing Rational Functions
Problem 36PS
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Show whether or not the graphs of the functions below have vertical asymptotes by evaluating the given limits. Enter INF for o and –INF for
o.
Z 1. lim
x→3+
3
-
6
2 2. lim
3
1
Х 3. lim
x→-7 x2(x + 7)
1
Z 4. lim
20 x2 (x +7)
8.
2 5. lim
a→5 (x – 5)3
8
2 6. lim
245 (x – 5)8
Transcribed Image Text:Show whether or not the graphs of the functions below have vertical asymptotes by evaluating the given limits. Enter INF for o and –INF for o. Z 1. lim x→3+ 3 - 6 2 2. lim 3 1 Х 3. lim x→-7 x2(x + 7) 1 Z 4. lim 20 x2 (x +7) 8. 2 5. lim a→5 (x – 5)3 8 2 6. lim 245 (x – 5)8
A function is said to have a vertical asymptote wherever the limit on the left or right (or both) is either positive or negative infinity.
Evaluate the limits in (1)-(3) below to determine whether the function
x2 +1
f(x) =
x2 – 10x + 25
has a vertical asymptote at x = 5.
Evaluate the following limits.
Enter INF for o. Enter -INF for -ox. Enter DNE if the limit does not exist.
x2 +1
Σ( 1)
lim
«? — 10х + 25
x2 + 1
Σ(2)
lim
x5+ r2
10x + 25
x2 +1
E (3) lim
x→5 x2
10х + 25
Transcribed Image Text:A function is said to have a vertical asymptote wherever the limit on the left or right (or both) is either positive or negative infinity. Evaluate the limits in (1)-(3) below to determine whether the function x2 +1 f(x) = x2 – 10x + 25 has a vertical asymptote at x = 5. Evaluate the following limits. Enter INF for o. Enter -INF for -ox. Enter DNE if the limit does not exist. x2 +1 Σ( 1) lim «? — 10х + 25 x2 + 1 Σ(2) lim x5+ r2 10x + 25 x2 +1 E (3) lim x→5 x2 10х + 25
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