4x 5x? -4x? 15. R(x) 16. R(x) 17. H(x) X - 3 3 + x (x – 2) (x + 4) -x(1 – x) 3x + 5x 3 + x 6. 3x (x – 1) 18. G(x) : 19. F(x) 20. Q(x) = (x + 3) (4 – x) 2x? 5x - 3 21. R(x) 22. R(x) 23. H(х) x - 8 x* - 1 x2 + 4 3(x² – x – 6) 4(x – 9) -2(x - 4) 3(x + 4x + 4) * - 3 24. G(x) 25. R(x) 26. F(x) x* + 1

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.4: Factoring Polynomials
Problem 84E: The rate of change of an autocatalytic chemical reaction is kQxkx2 where Q is the amount of the...
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In Problems 15–26, find the domain of each rational function.

4x
5x?
-4x?
15. R(x)
16. R(x)
17. H(x)
X - 3
3 + x
(x – 2) (x + 4)
-x(1 – x)
3x + 5x
3 + x
6.
3x (x – 1)
18. G(x) :
19. F(x)
20. Q(x)
=
(x + 3) (4 – x)
2x?
5x - 3
21. R(x)
22. R(x)
23. H(х)
x - 8
x*
- 1
x2 + 4
3(x² – x – 6)
4(x – 9)
-2(x - 4)
3(x + 4x + 4)
* - 3
24. G(x)
25. R(x)
26. F(x)
x* + 1
Transcribed Image Text:4x 5x? -4x? 15. R(x) 16. R(x) 17. H(x) X - 3 3 + x (x – 2) (x + 4) -x(1 – x) 3x + 5x 3 + x 6. 3x (x – 1) 18. G(x) : 19. F(x) 20. Q(x) = (x + 3) (4 – x) 2x? 5x - 3 21. R(x) 22. R(x) 23. H(х) x - 8 x* - 1 x2 + 4 3(x² – x – 6) 4(x – 9) -2(x - 4) 3(x + 4x + 4) * - 3 24. G(x) 25. R(x) 26. F(x) x* + 1
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