PROBLEMS 11.5 у 3 yAR-4onigne 31. y= • In Problems 1-8, use the chain rule. ubon9 1. If y = u? - 2u and u = xr? - x, find dy/dx. 2. If y = 2u³ – 8u and u = 7x – x³, find dy/dx. dert2omin 33. y=x'C 4x² 35. y = 4x- - 3. If у %3 1 and w = 3xr - 5, find dy/dx. 37. y = (x² 4. If y = z and z = x – xr4 + 3, find dy/dx. 39. у 3 (8. t - 1 5. If w — из and и — find dw/dt when t = 1. 41. y = %3D t+1 -1. sdw 1o 6. If z = u² + Vũ + 9 and u = 2s² – 1, find dz/ds when s = –1. 7. If y = 3w² – 8w +4 and w = 2x² + 1, find dy/dx when x = 0. 43. у %3 V 8. If y = 2u³+ 3u? + 5u – 1 and u = 3x + 1, find dy/dx when - X = 1. 45. у 3 In Problems 9–52, find y'. 9. y= (3x+2)° 47. у — giged oW. 10. y = (x² – 4)* 12. y = (x² + x)* ba th do 11. y= (3 + 2r')5 49. y = 6 13. y= 5(x³ – 3x² + 2x)'00 14. у — (2r? + 1)* - 15. v= (r2 _ 2)-3 51. у 3 12

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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9 and 19

+ zW
(m2+ 19)'/2
1) - (6 +1
bp
-onL'OI =
6%3D4
up
= (1)(10.7
This means that if a tenth employee is hired, r
$10.71 per day. d
Therefore, from the chain rule,
6=| up
A direct forTnula for the marginal-revenue
product is
dp
bp
bP p+
up
+
PROBLEMS 11.5
33. y=x³(2x + 3)7
1. Ify=u? - 2u and u = x² – x, find dy/dx.
2. If y = 2u³ – 8u and u = 7x – x³, find dy/dx.
and w = 3x –- 5, find dy/dx.
In Problems 1-8, use the chain rule.
%3D
35. y = 4x²/5x +
%3D
37. y = (x² + 2x –
39. y = (8x – 1)³(2
x – 3 \
-
|
3. If y = -
4. If y = z and z = x³ – x* + 3, find dy/dx.
find dw/dt when t = 1.
FOR
|
41. y
%3D
%3D
7+ x
%3D
6. If z = u² + Vũ + 9 and u = 2s² – 1, find dz/ds when s = -1.
7. If y = 3w² – 8w + 4 and w = 2x² + 1, find dy/dx when x =
= 3x + 1, find dy/dx when
5. If w = u and u =
%3D
I+1 G c sy
x - 5
2x - 5
= 0.
43. y =
%3D
%3D
8. If y = 2u3 + 3u² + 5u- 1 and u =
45. y =
%3D
(x² + 4)3
%3D
(8x 1)
- 1)*
x = 1.
|
In Problems 9–52, find y'.
47. y=
%3D
-
10. y = (x² – 4)“ s ih
o
12. y = (x² + x)*
9. y = (3x + 2)
° ogei
%3D
vo nav 49. y = 6(5x² +
%3D
11. y = (3 +2r)5
%D
(2x² + 1)4
14. y=
51. y = 8t +
13. y = 5(x³ – 3x² + 2x)!00
|
15. y = (x² – 2)–3
16. y= (2x³ – 8x)-12
|
52. y =
17. y = 2(x² + 5x – 2)-5/7
18. y = 3(5x – 2x³)-5/3
(2.
||
%3D
8100
20. y = 3x² -7
22. y = 8x² – 1
In Problems 53
find y'. Do not s
-
%3D
21. y = 2x – 1
%3D
23. y = 4/(x² + 1)3 a i 24. y = 7( – 3)5 01079
-
Snh853. y :
9.
2x² – x+ 1
%D
3.
26. y = A+2
25. y =
%3D
55. If y = (5u
27. y =
%3D
(x² – 3x)²
28. y =
56. If z = 2y
%3D
29. y =
4.
30. y =
57. Find the
3.
re(3r2 - x)/3
%3D
(8,0).
Transcribed Image Text:+ zW (m2+ 19)'/2 1) - (6 +1 bp -onL'OI = 6%3D4 up = (1)(10.7 This means that if a tenth employee is hired, r $10.71 per day. d Therefore, from the chain rule, 6=| up A direct forTnula for the marginal-revenue product is dp bp bP p+ up + PROBLEMS 11.5 33. y=x³(2x + 3)7 1. Ify=u? - 2u and u = x² – x, find dy/dx. 2. If y = 2u³ – 8u and u = 7x – x³, find dy/dx. and w = 3x –- 5, find dy/dx. In Problems 1-8, use the chain rule. %3D 35. y = 4x²/5x + %3D 37. y = (x² + 2x – 39. y = (8x – 1)³(2 x – 3 \ - | 3. If y = - 4. If y = z and z = x³ – x* + 3, find dy/dx. find dw/dt when t = 1. FOR | 41. y %3D %3D 7+ x %3D 6. If z = u² + Vũ + 9 and u = 2s² – 1, find dz/ds when s = -1. 7. If y = 3w² – 8w + 4 and w = 2x² + 1, find dy/dx when x = = 3x + 1, find dy/dx when 5. If w = u and u = %3D I+1 G c sy x - 5 2x - 5 = 0. 43. y = %3D %3D 8. If y = 2u3 + 3u² + 5u- 1 and u = 45. y = %3D (x² + 4)3 %3D (8x 1) - 1)* x = 1. | In Problems 9–52, find y'. 47. y= %3D - 10. y = (x² – 4)“ s ih o 12. y = (x² + x)* 9. y = (3x + 2) ° ogei %3D vo nav 49. y = 6(5x² + %3D 11. y = (3 +2r)5 %D (2x² + 1)4 14. y= 51. y = 8t + 13. y = 5(x³ – 3x² + 2x)!00 | 15. y = (x² – 2)–3 16. y= (2x³ – 8x)-12 | 52. y = 17. y = 2(x² + 5x – 2)-5/7 18. y = 3(5x – 2x³)-5/3 (2. || %3D 8100 20. y = 3x² -7 22. y = 8x² – 1 In Problems 53 find y'. Do not s - %3D 21. y = 2x – 1 %3D 23. y = 4/(x² + 1)3 a i 24. y = 7( – 3)5 01079 - Snh853. y : 9. 2x² – x+ 1 %D 3. 26. y = A+2 25. y = %3D 55. If y = (5u 27. y = %3D (x² – 3x)² 28. y = 56. If z = 2y %3D 29. y = 4. 30. y = 57. Find the 3. re(3r2 - x)/3 %3D (8,0).
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