Exercises 17-26 contain rational equations with variables in denominators. For each equation, a. Write the value or values of the variable that make a denominator zero. These are the restrictions on the variable. b. Keeping the restrictions in mind, solve the equation. 3 18. x + 4 1 11 -4 17. 1 x + 4 8 19. X + 1 x + 1 20. x - 2 x- 2 3 1 2 21. 2x - 2 2 3 22. x + 3 5 1 2x + 6 2 2 23. x + 1 1 2x x - 1 32 24. x + 5 X - 5 2- 25 5 6 1 25. X - 4 x + 2 x² - 2r - 8 2 8 1 26. x - 3 x + 1 x? - 2x - 3 2. 2. 1. 2. + 4)
Exercises 17-26 contain rational equations with variables in denominators. For each equation, a. Write the value or values of the variable that make a denominator zero. These are the restrictions on the variable. b. Keeping the restrictions in mind, solve the equation. 3 18. x + 4 1 11 -4 17. 1 x + 4 8 19. X + 1 x + 1 20. x - 2 x- 2 3 1 2 21. 2x - 2 2 3 22. x + 3 5 1 2x + 6 2 2 23. x + 1 1 2x x - 1 32 24. x + 5 X - 5 2- 25 5 6 1 25. X - 4 x + 2 x² - 2r - 8 2 8 1 26. x - 3 x + 1 x? - 2x - 3 2. 2. 1. 2. + 4)
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:Exercises 17-26 contain rational equations with variables in
denominators. For each equation, a. Write the value or values
of the variable that make a denominator zero. These are the
restrictions on the variable. b. Keeping the restrictions in mind,
solve the equation.
3
18.
x + 4
1
11
-4
17.
1
x + 4
8
19.
X + 1
x + 1
20.
x - 2 x- 2
3
1
2
21.
2x - 2
2
3
22.
x + 3
5
1
2x + 6
2
2
23.
x + 1
1
2x
x - 1
32
24.
x + 5
X - 5
2- 25
5
6
1
25.
X - 4
x + 2
x² - 2r
- 8
2
8
1
26.
x - 3
x + 1
x? - 2x - 3
2.
2.
1.
2.
+
4)
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