James Stewart-Calculus_ Early Transcendentals-Cengage Learning (2015)

Appendix I Answers to Odd-Numbered Exercises A135
9. y − c 1e 3x 1 c 2e 22x 2 1 6 2 1 5 xe22x
11. y − 5 2 2e 26sx21d 13. y − se 4x 2 e x dy3
s22d
15. No solution 17. ò
n n!
n−0 s2n 1 1d! x 2n11
19. Qstd − 20.02e 210t scos 10t 1 sin 10td 1 0.03
21. (c) 2yk < 85 min (d) <17,600 miyh
21. y − 6x 2 15 23. 2x 2 3y 1 19 − 0
25. 5x 1 y − 11 27. y − 3x 2 2 29. y − 3x 2 3
31. y − 5 33. x 1 2y 1 11 − 0 35. 5x 2 2y 1 1 − 0
37. m − 2 1 3 , 39. m − 0, 41. m − 3 4 ,
b − 0 b − 22 b − 23
y
y
y
appendixes
Exercises a • page A9
0 x
0
_2
x
y=_2
0 x
_3
1. 18 3. 5. 5 2 s5 7. 2 2 x
9. | x 1 1 | − H x 1 1
2x 2 1
for x > 21
for x , 21
11. x 2 1 1
43.
y
45.
y
13. s22, `d 15. f21, `d
_2 0
_1 0
0
x
0
x
17. s3, `d 19. s2, 6d
3 2 6
21. s0, 1g 23. f21, 1 2 d
0 1 _1 1
2
25. s2`, 1d ø s2, `d 27. f21, 1 2 g
47.
y
_2 0 2
x
49.
y
y 4
x 2
1 2 _1 1
2
29. s2`, `d 31. s2s3, s3d
_œ„3 0 œ„3
51.
y
y=1+x
0
x
33. s2`, 1g 35. s21, 0d ø s1, `d
0, 1
0 1 _1 0 1
0
x
37. s2`, 0d ø s 1 4 , `d
y=1-2x
0 1
4
39. 10 < C < 35 41. (a) T − 20 2 10h, 0 < h < 12
(b) 2308C < T < 208C 43. 6 3 2 45. 2, 24 3
47. s23, 3d 49. s3, 5d 51. s2`, 27g ø f23, `d
53. f1.3, 1.7g 55. f24, 21g ø f1, 4g
57. x > sa 1 bdcysabd 59. x . sc 2 bdya
Exercises b • page A15
1. 5 3. s74 5. 2s37 7. 2 9. 2 9 2
17. y
19.
y
x=3
xy=0
53. s0, 24d 55. (a) s4, 9d (b) s3.5, 23d 57. s1, 22d
59. y − x 2 3 61. (b) 4x 2 3y 2 24 − 0
Exercises c • page A23
1. sx 2 3d 2 1 sy 1 1d 2 − 25 3. x 2 1 y 2 − 65
5. s2, 25d, 4 7. (2 1 2 , 0), 1 2 9. (1 4 , 21 4), s10y4
11. Parabola 13. Ellipse
y
y
0
x
2
0 3 x
0 x
_4 0 4 x
_2
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