19. lim + 2 x-2 x+ 8 0uent 3 gotwellor 21. lim V9 +h -3 h0 1 3 ooust ah x 23. lim x3 x3 2 25. lim 1 0 t n sign Kom 5 12DXO O 4 Vx 27. lim 16 16x-x2 -Im

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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We would like to learn HOW to do these type of problems, finding the limits by rationalizing the numerator.  I don't understand.  See #19, #23, #25 and #27.  Please help with as many as you can, thanks!

19. lim + 2
x-2 x+ 8
0uent
3
gotwellor
21. lim V9 +h -3
h0
1
3
ooust ah
x
23. lim
x3 x3
2
25. lim
1 0
t
n
sign
Kom 5
12DXO O
4 Vx
27. lim
16 16x-x2
-Im
Transcribed Image Text:19. lim + 2 x-2 x+ 8 0uent 3 gotwellor 21. lim V9 +h -3 h0 1 3 ooust ah x 23. lim x3 x3 2 25. lim 1 0 t n sign Kom 5 12DXO O 4 Vx 27. lim 16 16x-x2 -Im
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