1st Semester Final Exam Review Answers, Exams of Calculus

The answers to the 1st semester final exam review. It includes solutions to various mathematical problems covering topics such as limits, derivatives, integrals, trigonometric functions, exponential functions, and logarithmic functions.

Typology: Exams

2012/2013

Uploaded on 01/31/2013

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Answers to 1st Semester Final Exam Review
1.
1
2
2.
3
3.
4.
−∞
5.
1
8
6. 0
7.
3
33
2 2x 2
2 or
xx
+
+
8.
( )
2
2
2
x1
x1
−−
9.
( )
9sin 3x 1−+
10.
( )
2
2x xsec 2x tan2x+
11.
( )
( )
2
3
8x 3
3x 4
12.
13.
14.
( ) ( )
2
2
2
x2
x
2 2x 1
2e 2x 1 or e
−+
−+
15.
1
2x
16.
3x 2
3ln 2 2
17.
( )
2x x
1
2x x 2
2e e
2e e
+
18.
( )( )
13 3 6
or
2 3x 2 3x 2 3x 2 3x 2


+ +−

19.
( )
2
6x
ln 2 3x 5⋅+
20.
2x
2ln 5 5
21.
2x
4x
2e
1e
22.
( )
2
2
8x
1 3 4x
+−
23.
( )
2
2
1 2x 1−−
24.
( )
x
1 ln x x+
25.
( )
1
y1 x1
5
−= +
26.
( )
y 2 2x 2−=
27. a)
2
s(t) 16t 160t=−+
b) 10 seconds c)
160 ft / sec
28. 144 ft,
96 ft / sec
29.
3
400 in / sec
π
30.
65 m / sec or 1.008 m / sec
8
−−
31.
24 ft / sec or 10.733 ft / sec
5
−−
32.
x 0, 2, 1=−−
33. Abs. Max.:
( )
2,55
Abs. Min.:
( )
2, 57−−
34. Abs. Max.:
( )
2,5
Abs. Min.:
( )
1, 3
pf2

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Answers to 1

st Semester Final Exam Review

3

3 3

2 2x 2 2 or x x

2

2 2

x 1

x 1

9. −9sin 3x ( + 1 ) 10. ( )

2 2x x sec 2x +tan 2x

2 3

8 x 3

3 x 4

  1. −8sin 4x cos 4x 13. 3

x cos x 2sin x

x

2

2 x 2

x

2 2x 1 2e 2x 1 or e

2x

3x 2 3ln 2 2

− ⋅ 17.

2x x

1 2x x (^2)

2e e

2 e e

or 2 3x 2 3x 2 3x 2 3x 2

 +^ −^  +^ −

2

6x

ln 2 ⋅ 3x + 5

2x 2 ln 5 5⋅

2x

4x

2e

1 e

2 2

8x

1 3 4x

2

1 − 2x − 1

x 1 +ln x x

y 1 x 1 5

− = − + 26.^ y^ −^2 =^ 2 x( −^2 )

  1. a)

2 s(t) = − 16t +160t b) 10 seconds c) −160 ft / sec

  1. 144 ft, −96 ft / sec 29.

3

400 π in / sec

m / sec or 1.008 m / sec 8

ft / sec or 10.733 ft / sec

5

− − 32. x = 0, − 2, − 1

33. Abs. Max.: ( 2,55 ) Abs. Min.: ( −2, − 57 ) 34. Abs. Max.: ( 2,5 ) Abs. Min.: ( 1,3)

  1. incr (^) ( −1, 0 (^) ) ∪ (^) ( 2,∞ (^) ), decr (^) ( −∞ −, (^1) ) ∪ (^) ( 0, 2), Rel. Max.: (^) ( 0,5) , Rel. Min.: (^) ( −1, 0 , 2, (^) ) ( − (^27) )
    1. incr (^) ( )

 −∞^ ∪^ ∞

, decr

, Rel. Max.:

, Rel. Min.: ( 1, 0)

  1. Conc. Up:

 π^ π

, Conc. Down:

, Infl. Points: , 2 2

 π^ π

 π^ π

  1. Conc. Up: (^) ( 2, ∞ (^) ), Conc. Down: (^) ( −∞ −, (^1) ) ∪ (^) ( −1, 2 (^) ), Infl. Point:
  1. Vertical: x = ± 3 Horizontal: y = ± 1 40. Vertical: x = − 4 Oblique: y = x − 8
  2. none 42. Vertical: x = ± 2 Horizontal: y = 0