In exercises 1–24, differentiate each function. D f(x) = x*e* (2. F(x)= e2* cos 4.x 3. f(t) =t +2' 4. )f (t) = t43t

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 22E
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i need the answers for the circled quistions please 

6:29 AM Thu 14 Oct
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< 88
mat113_Chapter2 -
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x mat113_Chapt... O x
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In exercises 1–24, differentiate each function.
om
D f(x) = x²e*
2. F(x) = e2* cos 4.x
an-
ain
3. f(t) =t +2'
(4. )f (t) = 14
ph
5. f(x)= 2e4x+1
6. f(x) = (1/e)*
ng
7. h(x) = (1/3)*²
8. )h(x) = 4-x²
an
9. f(u) — еu?+4и
10. f(u) = 3etan u
rer.
e4w
11. ƒ(w) =
ent
W
12, f(w) =
e6w
cal
13. f(x) — In 2х
14. f(x) = In /8x
nd
15.) f (t) = ln (t³ + 3t)
16. (t) = t° In t
%3D
ge
17. g(x) = In (cos x)
18. g(x) = cos x In(x2 + 1)
ns.
to
19. (a) f (x) = sin (In x?)
(b) g(t) = In (sint²)
VIn x
(20. (a) f(x)
In Vi
1/4
(b) g(t) =
t
are
21. (a) h(x)= e* In x
(b) f(x) = elnx
pes
et
22. (а) h(х) — 2°
(b) f (x) =
2x
Transcribed Image Text:6:29 AM Thu 14 Oct 36% < 88 mat113_Chapter2 - ... 00 x mat113_Chapt... O x Untitled (6) Untitled (7) X PHY103Lab_Simpl... X PHY103-ForceTabl... In exercises 1–24, differentiate each function. om D f(x) = x²e* 2. F(x) = e2* cos 4.x an- ain 3. f(t) =t +2' (4. )f (t) = 14 ph 5. f(x)= 2e4x+1 6. f(x) = (1/e)* ng 7. h(x) = (1/3)*² 8. )h(x) = 4-x² an 9. f(u) — еu?+4и 10. f(u) = 3etan u rer. e4w 11. ƒ(w) = ent W 12, f(w) = e6w cal 13. f(x) — In 2х 14. f(x) = In /8x nd 15.) f (t) = ln (t³ + 3t) 16. (t) = t° In t %3D ge 17. g(x) = In (cos x) 18. g(x) = cos x In(x2 + 1) ns. to 19. (a) f (x) = sin (In x?) (b) g(t) = In (sint²) VIn x (20. (a) f(x) In Vi 1/4 (b) g(t) = t are 21. (a) h(x)= e* In x (b) f(x) = elnx pes et 22. (а) h(х) — 2° (b) f (x) = 2x
6:29 AM Thu 14 Oct
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mat113_Chapter2 -
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x mat113_Chapt... O x
Untitled (6)
Untitled (7)
X PHY103Lab_Simpl...
X PHY103-ForceTabl...
182
CHAPTER 2
Differentiation
23, (a) ƒ (x)
= In (sin x)
(b) f(t) =
= In (sec t + tan t)
24. (a) f (x)
= e2*x³
(b) f(w) = Ve2w + w³
•.• •
In exercises 25–28, find an equation of the tangent line to
y = f(x) at x = 1.
25. f(x) = 3er?
26. f(x) =
Zre
E
27. f(x)= x² In x
28. f(x) = 2 In x3
In exercises 29 and 30, find all values of x for which the tangent
line to y = f (x) is horizontal.
29. la) -2r
f (x) = xe
(b) f(x)
= xe-3x
30. (а) f (x) — х?е-2х
(b) f(x) = x²e-3x
... ..
In exercises 31–34, the value of an investment at time t is given
by v(t). Find the instantaneous percentage rate of change.
31. v(t) = 100 3'
32. v(t) = 100 4'
33. v(t) = 40 e0.41
34. v(t) =
60 е -0.2г
•..
Transcribed Image Text:6:29 AM Thu 14 Oct 36% mat113_Chapter2 - ... 00 x mat113_Chapt... O x Untitled (6) Untitled (7) X PHY103Lab_Simpl... X PHY103-ForceTabl... 182 CHAPTER 2 Differentiation 23, (a) ƒ (x) = In (sin x) (b) f(t) = = In (sec t + tan t) 24. (a) f (x) = e2*x³ (b) f(w) = Ve2w + w³ •.• • In exercises 25–28, find an equation of the tangent line to y = f(x) at x = 1. 25. f(x) = 3er? 26. f(x) = Zre E 27. f(x)= x² In x 28. f(x) = 2 In x3 In exercises 29 and 30, find all values of x for which the tangent line to y = f (x) is horizontal. 29. la) -2r f (x) = xe (b) f(x) = xe-3x 30. (а) f (x) — х?е-2х (b) f(x) = x²e-3x ... .. In exercises 31–34, the value of an investment at time t is given by v(t). Find the instantaneous percentage rate of change. 31. v(t) = 100 3' 32. v(t) = 100 4' 33. v(t) = 40 e0.41 34. v(t) = 60 е -0.2г •..
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