In Exercises 7-14, simplify each rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression. Зх — 9 4x - 8 7. 8. 6x + 9 4x + 4 x? - 12x + 36 9. x? - 8x + 16 10. 4.x - 24 Зх- 12 y? + 7y - 18 11. y - 3y + 2 у? - 4y - 5 12. v? + 5y + 4 x2 + 12x + 36 13. 14x + 49 14. x2 - 36 x2 - 49

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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In Exercises 7-14, simplify each rational expression. Find all
numbers that must be excluded from the domain of the simplified
rational expression.
Зх — 9
4x - 8
7.
8.
6x + 9
4x + 4
x? - 12x + 36
9.
x? - 8x + 16
10.
4.x - 24
Зх- 12
y? + 7y - 18
11.
y - 3y + 2
у? - 4y - 5
12.
v? + 5y + 4
x2 + 12x + 36
13.
14x + 49
14.
x2 - 36
x2 - 49
Transcribed Image Text:In Exercises 7-14, simplify each rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression. Зх — 9 4x - 8 7. 8. 6x + 9 4x + 4 x? - 12x + 36 9. x? - 8x + 16 10. 4.x - 24 Зх- 12 y? + 7y - 18 11. y - 3y + 2 у? - 4y - 5 12. v? + 5y + 4 x2 + 12x + 36 13. 14x + 49 14. x2 - 36 x2 - 49
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