In Problems 15–26, find the domain of each rational function. 5x 3+ x -4x2 \ 17. H(x) 4x 16. R(x) (x – 2) (x + 4) %3D 15. R(x) x - 7 3x(x- 1) 21 - 5x - 12 -x(1 - x) 3x + 5x - 2 18. G(x) : 6. 19. F(x) 20. Q(x) = %3D %3D (x + 3) (4 – x) | 3x + x 21. R(x) 22. R(x) 23. H (х) %3D * - 64 x² + 9 3(x-x-6) 5(x - 4) 24. G(x) x - 3 %3D 25. R(x) 26. F(x) -2(x - 4) %3D x* + 1 %3D

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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Question
19,25
12. True or False If the degree of the numerator of a rational
function equals the degree of the denominator, then the
divided by x – x² + 1. (pp. A25-
11. If a rational function is proper, then
asymptote.
is a horizontal
Concepts and Vocabulary
5. True or False The domain of every rational function is the
set of all real numbers.
6. If, as x→- 00 or as x- 00, the values of R(x)
approach some fixed number L, then the line y = L is a
of the graph of R.
rational function has a horizontal asymptote.
P(x)
is a rational function and
9 (x)
7. If, as x approaches some number c, the values
of |R(x)|→0, then the line x = c is a
13. Multiple Choice If R(x) =
if p and q have no common factors, then Ris
(b) proper
(d) in lowest terms
of the graph of R.
(a) improper
(c) undefined
14. Multiple Choice Which type of asymptote, when it oO
describes the behavior of a graph when x is close to c
number?
8. For a rational function R, if the degree of the numerator is
less than the degree of the denominator, then R is
9. True or False The graph of a rational function may intersect
a horizontal asymptote.
10. True or False The graph of a rational function may intersect
a vertical asymptote.
(a) vertical (b) horizontal (c) oblique (d) all of these
Skill Building
In Problems 15-26, find the domain of each rational function.
4x
5x2
16. R(x) =
-4x2
15. R(x)
17. H(x)
x - 7
3 + x
(x – 2) (x + 4)
3x (x - 1)
2x – 5x – 12
6.
18. G(x)
-x(1 – x)
3x2 + 5x – 2
(x + 3) (4 – x)
19. F(x) =
20. Q(x)
21. R(x) =
22. R(x) =
3x + x
x2 + 9
x - 64
x* - 1
23. H(х) —
x - 3
24. G(x) =
3(x - x - 6)
5(x - 4)
x* + 1
25. R(x)
-2(x – 4)
3(x² + 4x + 4)
26. F(x)
In Problems 27–32, use the graph shown to find
(a) The domain and range of each function
(d) Vertical asymptotes, if any
(b) The intercepts, if any
(e) Oblique asymptotes, if any
27.
(c) Horizontal asymptotes, if any
28.
29.
(0, 2)
13
(1, 2),
(-1, 0)
(1, 0)
3 x
Transcribed Image Text:12. True or False If the degree of the numerator of a rational function equals the degree of the denominator, then the divided by x – x² + 1. (pp. A25- 11. If a rational function is proper, then asymptote. is a horizontal Concepts and Vocabulary 5. True or False The domain of every rational function is the set of all real numbers. 6. If, as x→- 00 or as x- 00, the values of R(x) approach some fixed number L, then the line y = L is a of the graph of R. rational function has a horizontal asymptote. P(x) is a rational function and 9 (x) 7. If, as x approaches some number c, the values of |R(x)|→0, then the line x = c is a 13. Multiple Choice If R(x) = if p and q have no common factors, then Ris (b) proper (d) in lowest terms of the graph of R. (a) improper (c) undefined 14. Multiple Choice Which type of asymptote, when it oO describes the behavior of a graph when x is close to c number? 8. For a rational function R, if the degree of the numerator is less than the degree of the denominator, then R is 9. True or False The graph of a rational function may intersect a horizontal asymptote. 10. True or False The graph of a rational function may intersect a vertical asymptote. (a) vertical (b) horizontal (c) oblique (d) all of these Skill Building In Problems 15-26, find the domain of each rational function. 4x 5x2 16. R(x) = -4x2 15. R(x) 17. H(x) x - 7 3 + x (x – 2) (x + 4) 3x (x - 1) 2x – 5x – 12 6. 18. G(x) -x(1 – x) 3x2 + 5x – 2 (x + 3) (4 – x) 19. F(x) = 20. Q(x) 21. R(x) = 22. R(x) = 3x + x x2 + 9 x - 64 x* - 1 23. H(х) — x - 3 24. G(x) = 3(x - x - 6) 5(x - 4) x* + 1 25. R(x) -2(x – 4) 3(x² + 4x + 4) 26. F(x) In Problems 27–32, use the graph shown to find (a) The domain and range of each function (d) Vertical asymptotes, if any (b) The intercepts, if any (e) Oblique asymptotes, if any 27. (c) Horizontal asymptotes, if any 28. 29. (0, 2) 13 (1, 2), (-1, 0) (1, 0) 3 x
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