The initial substitution of x = a yields the form . Simplify the function algebraically, or use a table or graph to determine the limit. If necessary, state that the limit does not exi: x + 3x - 504 lim x-21 x - 441 .. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. x² OA. lim x-21 x - 441 + 3x - 504 45 (Type an integer or a simplified fraction.) 42 O B. The limit does not exist.

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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The initial substitution of x = a yields the form
7. Simplify the function algebraically, or use a table or graph to determine the limit. If necessary, state that the limit does not exist.
x + 3x - 504
lim
x→21
x? - 441
.... .
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
x + 3x - 504
lim
45
O A.
(Type an integer or a simplified fraction.)
42
2
X→21
x - 441
B. The limit does not exist.
Transcribed Image Text:The initial substitution of x = a yields the form 7. Simplify the function algebraically, or use a table or graph to determine the limit. If necessary, state that the limit does not exist. x + 3x - 504 lim x→21 x? - 441 .... . Select the correct choice below and, if necessary, fill in the answer box to complete your choice. x + 3x - 504 lim 45 O A. (Type an integer or a simplified fraction.) 42 2 X→21 x - 441 B. The limit does not exist.
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