21. Find lim x-5 A. 2 B. 3 x² - 7x+10 x-5 C. 4 D. 5

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.6: Rational Functions
Problem 2E
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Question
x² - 7x+10
21. Find lim
x→5
x-5
A. 2
C. 4
B. 3
D. 5
22. Suppose that lim f(x) = x, what is the
value of lim 5. (f(x))² ?
x→3
A. 41
C. 45
B. 43
D. 47
23. Determine lim (f(x))³-20?
x-→-5
A. - 145
C. - 155
B. - 150
D. - 160
24. The following expression has a value of
zero except
A. lim x
C. lim (x² - 4)
x →0
x-2
2
X- 4
x² -10
B. lim
D. lim
x→4 x +4
x → 5
x-5
25. Which of the following value of x is
continuous of the function
f(x)=√4x²?
A. 2
C. 4
B. 3
D. 5
Transcribed Image Text:x² - 7x+10 21. Find lim x→5 x-5 A. 2 C. 4 B. 3 D. 5 22. Suppose that lim f(x) = x, what is the value of lim 5. (f(x))² ? x→3 A. 41 C. 45 B. 43 D. 47 23. Determine lim (f(x))³-20? x-→-5 A. - 145 C. - 155 B. - 150 D. - 160 24. The following expression has a value of zero except A. lim x C. lim (x² - 4) x →0 x-2 2 X- 4 x² -10 B. lim D. lim x→4 x +4 x → 5 x-5 25. Which of the following value of x is continuous of the function f(x)=√4x²? A. 2 C. 4 B. 3 D. 5
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