บทที่12. แคลคูลัส < calculus > · 4 ข้อสอบpat 1 ( พ.ศ....
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12. ( Calculus )
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PAT 1 ( .. 2552 )( PAT 152 .. )1. A y = 1 x2 X
B y =4
x2 X x = c x = c
c A = B ( 2 ) (B)1. 2 2. 2 3. 22 4. 4
2. f(x) = x4 3x2 + 7f ( 3 ) (B)
1. ( 3,2 )( 2,3 ) 2. ( 3,2 )( 1,2 ) 3. ( 1,0 )( 2,3 ) 4. ( 1,0 )( 1,2 )
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3. f(x) =
3x
1x
121
)4(f)h4(f)1(f)h1(flim
0h
( 2 ) (B)
1. 1 2.5
16 3.57 4.
51
( PAT 152 .. )
4. f(x) = 3x2+x5 f(0) = 1
1
1dx)x(f ( 2 ) (B)
1.35 2.
37 3.
32 4.
31
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5. f , g h f(1) = g(1) = h(1) = 1 f(1) = g(1) = h(1) = 2 ( fg+h )(1) ( 4 ) (B)
1. 1 2. 2 3. 4 4. 6
6. y = 2x3 x
1 x = 1 ( 4 ) (B)
1. 13x 2y 11 = 0 2. 13x + 2y 15 = 03. 2x 13y + 11 = 0 4. 2x + 13y 15 = 0
( PAT 152 .. )
7. f(x) = x2 1 0dx)x(f1
0
f(1) ( 0.25 ) (B)
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8. f(x) = ax2 + b x a b 0b
2f(1) = f(1) )9(f)4(f
( 12 ) (B)
9. y = f(x) x = 1 f(x) = 4 x f(1) + f(3) = 0 f ( 8 ) (B)
( PAT 153 .. )10. R f : R R g : R R
f(x) = 3 3/2x , g(1) = 8 g(1) =32 ( fog)(1) ( 2 ) (B)
1.31 2.
32 3. 1 4.
34
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11. a b f
f(x) =
2x,1axx
2x,ba
2x,2x
2x3x
2
3
f a2 + b2 ( 53 ) (C)
12. R f : R R f(x) = 3 x + 5 x
f(1) = 5 )x(f
2)x(flim2
4x
( 6 ) (B)
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13. R f : R R f(x) = 6x+ 4 x y = f(x) ( 2,19 ) 19 f(1) ( 7 ) (B)
( PAT 153 .. )14. a b f
f(x) =
5x,55x1,bax
1x1,1x1x3
f ( 1, ) ab ( 4 ) (B)
1.45 2.
47 3. 15 4. 10
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15. x x3450x2+60,200x+10,000 200 ( 200 ) (C)
16. f(x) y = f(x) ( 1,2 ) 4
dx)x(f2
1
= 12 f(1) + f(1) ( 18 ) (B)
17. h(x) = f(x)g(x) y = f(x) ( x,y ) 2 2x y = f(x) 5 g
g(2) = g(2) = 5 h(2) ( 10 ) (B)
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( PAT 153 )18. R
f : R R x = 1 g
1x
7x)x(f
1x1x
23x
)x(g
g x = 1 (gof )(1) ( 4 ) (B)1. 32 2. 2 3. 72 4. 27
19. a b f f(x) = x4 + 2x3 x2 + ax + b
Q(x) f(x) = (Q(x))2 1
0dx)x(f ( 3 ) (A)
1.3071 2.
3031 3.
3011 4.
301
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20. ff( 2x+1 ) = 4x2 + 14x f( f( f( 2553 ))) ( 120 ) (A)
( PAT 154 .. )
21. 223
0x xxxxlim
( 1 ) (B)
1.21 2.
21 3. 1 4. 1
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22. f f(x) = ax + b a b f(0) = 2 f ( 1,5 ) 2a + 3b ( 3 ) (B)
1. 12 2. 20 3. 42 4. 48
23. R g : RR g(x) = 3x21 x 2
3
f : R R ( fog )(x) = x x f
21 ( 4 ) (B)
1.21 2.
21 3. 8 4. 8
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24. R f : R R g : R R x Rg(x) = x2 2x + 5 , ( gof )(x) = x6 + 2x4 2x3 + x2 2x + 5 f(0) = 0
(fog)(1) + (gof)(0) ( 1 ) (A)
25. y = f(x) 2x y + 3 = 0 ( 0,3 ) 2
0dx)x(f = 3
g(x) = 2x f(x) g(2) = 0 f(2) ( 8 ) (A)
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26. f(x) =3x
3x
a
13x10x23x
a f x = 3 a ( 8 ) (B)
( PAT 154 .. )27. R
f : RR f(x) = 32
x x N f ( a,f(a) ) a 0
N Y 25 N ( 2 ) (B)
1. ( 2,7 ) 2. ( 1,4 ) 3. ( 2,4 ) 4. ( 3,5 )
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28. A( 0,0 ) , B( 1,0 )
23,
21C ABC
f(x) = ax2 + bx + c a , b c A( 0,0 ) B( 1,0 ) AC BC f A( 0,0 ) B( 1,0 )
f AB ( 1 ) (B)
1.63 2.
33 3.
23 4.
332
29. f , g h a. ( fog )(x) = 3x 14 x
b. f
36x = x 2 x
c. h( 2x1 ) = 6g(x) + 12 x h(0) ( 3 ) (B)
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30. R f : R R f(x) = 0 x
f(0) = 23 f(1) = 103 1
0dx)x(f ( 63 ) (B)
31. L ( 0,10 ) 1 L x x = 0 x = 6 51
L x x = 1 x = 3 ( 18 ) (B)
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32. 330x 8x8xxlim
( 6 ) (B)
( PAT 155 .. )33. R
f : R R f(x) = 2x + 1 f(2) = 2 y = f(x) ( 1,3 ) ( 2 ) (B)
1. y = x21 +2 2. y =
25x
21
3. y =25x
21 4. y = x
21 +2
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34. R f : RR , g : R R h : R R
f(x) =1x1ax
2 a
g(x) = ( x2+1 ) f(x)
h(x) =
)x(g)x(f
2x2x
h x = 2 2h(2) h(2) ( 4 ) (A)
1. 0.6 2. 0.8 3. 1 4. 3
35. R f : R R , g : R R h : R Rh(x) = x2 + 4 , g(x) = h( f(x)1 ) f(1) = g(1) = 1 f(1) ( 2 )
(A)1. 2 2. 1.5 3. 1 4. 0.5
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36. R f : R R f(x) = 2x + 3 ( gof )(x) = 8x3 + 44x2 + 80x + 48
x 6
0dx))x(g(f ( 990 ) (A)
37. f(x) = x3 + ax + b a b L1 L2 x = a x = b
L1 L2 )1(f)h1(fh9lim
0h = 1
2
0dx)x(f ( 4 ) (A)
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( PAT 155 .. )38. f(x) = x3 26x2 +bx 216 b
a1 , a2 , a3 f(x) = 0 f(1) ( 2 ) (A)
1. 211 2. 107 3. 101 4. 85
39. f(x) f(0) = 1 f(x+1) = f(x1) + x + 1 x
1
2dx)x(f ( 1 ) (A)
1. 3 2. 2 3.32 4.
31
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40. 23x
x2x1lim
2
1x
( 3 ) (B)
1. 12 2. 0 3. 12 4.
41. R f : RR g : RR1. ( fg )(x) = 2x+3 x2. f g x3. f 2 x = 14. g(x) = 2 x
g ( 2.25 ) (A)
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42. P(x) P(x2+3) = 3x4 + 24x2 +40
f(x) = dt)t(Px
0
)x(f)x(Plim2x
( 3 ) (A)
43. P(x) P(0) = 1
)2(P)2x(P)2h(P)2hx(P
h2hx3lim0h
= 1
P(12) ( 157 ) (A)
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( PAT 156 .. )
44. C y = 34
x2x3 x 0
L C ( 1,1 ) L x( x1 ) = y 1 A B A B ( 2 ) (B)
1. 4 82 2. 8 82 3. 4 41 4. 8 41
45. f(x) =
4x,3kx
4x,12x3x4x2
8x22
k f x = 4 f(k+1) ( 24 ) (B)
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46. ff(x) x ax3+bx a b
g(x) = ( x3+2x )f(x) f(1) = 18 , f(0) = 6 f(2) = f(1)+f(0) g(1) ( 354 ) (B)
47. f(x) x+1 f(x)
5+2i f(x) = 0 f(0) = 58
dx)x(f)x(f2
0 ( 168 ) (B)
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( PAT 156 .. )48. a b
f(x) =
5x,bax5x2,1x
2x,baxx2
f a b ( 2 ) (C)1. 5 2. 8 3. 11 4. 12
49. dx6x7x2
2
2
=ba a b b 0
... a b 1 a + b ( 4 ) (B)
1. 33 2. 69 3. 102 4. 104
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50. f(x) =64x3x
x436
3
x
() f ( 0,3 )
() f 134
( 3 ) (B)1. () () 2. () () 3. () () 4. () ()
51. f(x) = x2 + ax + b a b
f(1) = 2 ( fof )(0) = 10
2
1dx)x(f ( 12 ) (B)
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52. R f : R R f(x) = 3 + 6x x
y = f(x) ( 2,22 ) 20 )x(flim4x
( 100 ) (B)
( PAT 157 .. )53. f
f(x) =
3x,11x6x
3x2,bx52
2x,ax
2
a , b f x = 2 )x(flim
3x
a+5b ( 2 ) (C)
1. 8 2. 18 3.588 4.
5102
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54. b 1 dxxx
1xb
1 = 4
1+b+b2 ( 3 ) (B)1. 21 2. 31 3. 91 4. 111
55. f(x) = ax2 + bx + c a , b , c a 0
f(1) = 0 f x =31
F(, ) = dx)x(f
F( 0,t ) = F( 1,t ) + 1 t 1
() F(1,2) = F(2,3)+ 10
() 2x)x(f 3
2
x2x2x3
( 2 ) (A)1. () () 2. () () 3. () () 4. () ()
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56. R a , b f : R R f(x) = a + bx + x3 x 5x y + 13 = 0 f x = 1
2
0dx)x(f ( 38 ) (C)
57. R
f : R R f(3) = 111 3x333)x(xflim
3x
= 2013
f(x) x x = 3 ( 634 ) (A)
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( PAT 157 .. )58. a b
f(x) = ax +xb x 0
y = f(x) y = 1 ( 1,1 )
() f x = 1() )x)(fof(lim
1x= f( 2a2+2b2 )
( 1 ) (B)1. () () 2. () () 3. () () 4. () ()
59. f gf g
(fog)(x) = 5x 2 x fog dx)x(g = x2 4x + C C L y = f(x) x = 0 L ( 3 ) (B)
1. x + y 3 = 0 2. 2x + y 7 = 03. 3x + y 5 = 0 4. 5x + y 2 = 0
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60. f(x) = 4x3 + bx2 + cx + d b , c d
2
2dx)x(f =
364
g(x) g(x) = f(x) g(1) = g(0) = g(0) g(x) = g(x) + g(x) ( 4 ) (B)
1. x4 4x3 + 12x2 6x = 0 2. x4 8x3 12x2 6x = 03. 3x4 16x3 + 48x2 24x = 0 4. 3x4 + 8x3 48x2 + 24x = 0
61. f f( 2x1 ) = 4x2 10x + a a
f(0) = 12
4
1dx)x(f ( 34.5 ) (B)
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62. R f : R R , g : R R s : R R
f(x) = x + 1 x Rg(f(x)) = x2 + 2x 1 x R
s(x) = h
)x(g)hx(glim22
0h
x R
( sg )(1) ( 4 ) (B)
( PAT 158 .. )63. 0 90 f(x) = 12x 9x2 0 x 1
sin = a f(a)
sec1)1)(sin(sec
sin1)1)(sec(cot 22
( 4 ) (B)
1. 1+ 5 2. 5 3. 1 5 4. 0
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64. f(x) = log
x1x1 1 x 1
dx)x(f = A
dxx1x2f 2 ( 3 ) (B)
1. A2 2. A2 3. 2A 4. 2A
65. aaax
1x51x5lim0x
= 80
a2 + a + 58 ( 4 ) (B)1. 64 2. 78 3. 130 4. 330
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66. R f : RR
f(x+y) = f(x) + f(y) + 3x2y + 3xy2 x y x
)x(flim0x
= 2
f(1) + f(5) ( 35 ) (A)
67. f g
f(x) = 34
xxx2 x 0 , g(x) = ( 1+x2 )f(x) g(1) = 2
2
1
3 dx)x(gx ( 132 ) (B)
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68. f f(x) =
0x,x
1x5bx1
0x,ba0x,a2e
2
x2
a b
f x = 0 15a + 30b ( 15 ) (C)
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ANET , Entrance ( .. 2549 2552 )( ANET52 )1. a b
f(x) =
1x,xbxax
1x,)1x(23
2
x = 1
f(1) ( 2 ) (B)1. 6 2. 4 3. 0 4. 4
1. f(x) = x3 3x +6 P y = f(x) f P ( 2,6 ) ( 2 ) (B)
1. 1 2. 32 3.
32 4. 2
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2. y = x34x xx [ 2,1 ] ( 5.75 ) (B)
( ANET51 )
3. I(a) =
a
a
2 dx)1x( a [ 0, )
[ 0, ) ( 4 ) (A)1. a [ I(a) 0 ] 2. a [ ( I(a) = 0 ) ( a = 0 ) ]3. a [ (a 2) ( I(a) 0 ) ] 4. a[ ( a 0 ) ( I(a) 0 ) ]
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4. f ( 0, ) f(2) = 2f(1) f(x) = 27x 2x1
L y = f(x) ( 1,f(1) ) L ( 2 ) (B)1. ( 2,64 ) 2. ( 2,66 ) 3. ( 3,94 ) 4. ( 3,96 )
5. f [ 2,2 ] f(0) = 1 , f(1) = 0 f x = 1 x = 1 ( 1 ) (A). f(2) f(x) x [ 2,2 ]. f(2) f(x) x [ 2,2 ]
1. . . 2. . . 3. . . 4. . .
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6. f f(x) =
0x:1x0x:bax
3
2
f(1) = 4 ( fof )
3 2
1 ( 1.5 ) (B)
7. f(x) =
1x:x21x:3x
3
f [ 4,0 ] ( 3 ) (B)
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( ANET50 )
8. a , b f f(x) =
1xbx1x0baxx
0x1)1x(3
2
f [ 2,2 ] f
21 ( 0.125 ) (C)
1. 0 2. 0.25 3. 0.5 4. 0.75
9. f(x) = 1+xa g(x) = x2 + b ( fog )(0) =
21 f(1) = 2
gf( a+b ) ( 4 ) (B)
1.31 2.
41 3.
41 4.
31
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10. y = x3 2x2 + 2x x x = 0 x = 4 ( 37.33 ) (B)
1. 16 2. 16.25 3. 16.5 4. 17
11.
21x xx321
x11lim ( 1 ) (B)
( ANET 49 )
12. f(x) =
1xx31x01x2
0xx 2
)x(flim 20x
+ )x1(flim0x
( 3 ) (A)
1. 0 2. 1 3. 2 4. 3
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13. P(x) 1 , 2 , 3 P(x) = 0 P(4) = 5 P(1)( 4 ) (B)
1. 76 2.
65 3.
54 4.
35
14. y = f(x) ( x,y ) 2x + 2 f 3y = f(x) x x = 1 x = 0
( 2 ) (B)
1.37 2.
38 3. 9 4. 12
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( Ent48 .. )
15. dxx42
2
2 ( 4 ) (B)
1. ( 3.1,3.2 ) 2. ( 3.2,3.3 ) 3. ( 6.1,6.2 ) 4. ( 6.2,6.3 )
16. f(x) =
0x00x1
.0x
lim ( fof )( x ) = 0 .0x
lim ( fof )( x ) = 1 ( 1 ) (B)
1. . . 2. . . 3. . . 4. . .
17. y = f(x) ( x,y ) 2x 4 f 10 y = f(x) x x = 0 x = 3 ( 1 ) (B)
1. 33 2. 36 3. 39 4. 42
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( Ent47 .. )18. f(x) g(x)
f(g(x) ) =)x(g
1
f(g(0) ) = 5 f (g(2) ) ( 4 ) (B)
1. 1 2. 3 3. 5 4. 7
19. f(x) =
0x1x0x1x
g gof ( 4 ) (A)1. g(x) = 1 x ( ,1 ) [ 1, )2. g(x) = f 1(x) x ( ,1 ) [ 1, )
3. g(x) =
1x)1x(
1x)1x(2
2
4. g(x) = x3 x ( ,1 )[ 1, )
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20. y = f(x) 3 x = 2 3x + y 7 = 0
( 1,4 ) g(x) = x2f(x) 2
1dx)x(g ( 2 ) (A)
1. 5 2. 7 3. 8 4. 10
21. f(x) =
2n2x1n21n1n2xn2nx
n = 0, 1, 2, ,9
20
0dx)x(f ( 1 ) (A)
1. 105 2. 115 3. 125 4. 135
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( Ent47 .. )22. f(x) = 3x + 1 ( fog )(x) = 3x2 + 1
g(0) = 1 1
0dx)x(g ( 1.25 ) (B)
23. f(x) =
0x1
0xx1
g(x) =1x
1
. fog x = 0
. f
21 = g
21
( 1 ) (B)1. . . 2. . . 3. . . 4. . .
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24. f(x) =41 x4
32 x3
21 x2 + 2x
31
f ( c ,f(c) ) c 0 a f X b ( 3 ) (A)
1. a = 1 , b = 2 2. a = 1 , b = 4 3. a = 2 , b = 2 4. a = 2 , b = 4
25. f h( x ) = x3 + 1 a ( hof )( a ) = 9 ,
( hof )( a ) = 0 ,( hof )( a ) = 1
( 2 ) (A)1. f a 1 2. f a 23. f a 1 4. f a 2
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26. f f(0) = 1 = f(1)
f(0) = 1
1
1dx)x(f = 6 f(1) ( 3 ) (B)
1. 7 2. 1 3. 13 4. 15
( Ent46 .. )
27. f(x) = x4x 2 g(x) = 16x 2 a , b f(x) = g(x)
)x(g)x(flim
ax+
)x(g)x(flim
bx( 1 ) (B)
1.23 2.
65 3.
21 4.
31
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28. g f(x) = xg(x) f(x) = 4x3 + 9x2
f(0) = 0
)1x(g)x(f
dxd x = 2 ( 1 ) (B)
1. 4 2. 2 3. 2 4. 4
29. a , b f(x) = x3 + ax2 + bx + 1
f(1) = 15 dx)x(f10 = 1255 f(1) ( 2 ) (B)
1. 9 2. 10 3. 11 4. 12
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30. f(x) = x2 1
. 1
1 dx)x(f = 34
. y = f(x) x = 1 x = 1 34
( 3 ) (B)1. . . 2. . . 3. . . 4. . .
( Ent46 .. )
31. )x1)(x1()x1)(x1(x1x1x1lim 2230x
( 3 ) (A)
1. 0 2.41 3.
21 4. 1
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32. f g x = 4
4xkx4
4x2x
4x)x(f)x(g
2k
f y = x+1 x = 4 k ( 2 ) (A)1. ( 3,1 ) 2. ( 2,0 ) 3. ( 1,1 ) 4. ( 0,2 )
33. f f(x) = 2x+1 f 21 x = 1
f ( 4 ) (B)
1. 1 2. 31 3. 0 4.
31
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34. 50 51 2 52 4 53 6
90 100 ( 1 ) (A)
1. 16,000 2. 16,200 3. 16,400 4. 16,600
35. y = f(x) ( x,y ) x2 3x+2 2
0)x(f = 4
( x,y ) y = f(x) ( 1 ) (B)1. ( 0,4/3 ) 2. ( 0,4/3 ) 3. ( 1,13/4 ) 4. ( 1,13/4 )
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36. A XY y = x2 7 x x = 0 x = aa A x A x
2a a ( 2 ) (A)1. 32 2. 33 3. 5 4. 7
( Ent45 .. )
37. a 0 , f(x) =
axx
1x
ax2x
x
g(x) = x2
ax
lim ( fog )( x ) )2a(a
11)x)(gof(limax
a ( 2 ) (A)
1. 1 2. 3 3. 5 4. 9
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38. f(x) = x2 6x + c c a b f(x) = 0 3a + 2b= 20 f(C) ( 1 ) (B)
1. 38 2. 26 3. 26 4. 38
39. f( x ) = x2 2 x g( x ) = x2 + 1 ( gof )( 3 ) + ( fog )(3) ( 3 ) (B)1. 132 2. 84 3. 84 4. 132
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40. f(x) = ax a 2x + y 6 = 0 f ( 1,4 )
f(0) = 8 1
0dx)x(f ( 2 ) (B)
1.422 2.
423 3.
442 4.
443
( Ent45 .. )41. a y = a2x2 +4ax +10 x = 0 x = 1
( 7 ) (A)
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42. f(x) =
4xbx
4x1
4x2x
a)2x)(4x(
2
a , b
f x = 4
16baf ( 2 ) (B)
1. 16 2. 14 3. 14 4. 16
43. f(x) = 1x3 g ( fog )(x) = x2 + 1 x R f(1) + g(1) ( 1 ) (B)
1. 41/12 2. 35/12 3. 33/4 4. 39/4
44. g(x) = x2f(x) f(x) = 2x + 3
g(1) = 0 f(4) ( 3 ) (B)
1. 0 2. 11 3. 13 4. 28
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45. y = f(x) x ( x,y ) 6x+2b b x = 0 x = 2
x = 0 x = 1 f x ( 2 ) (A)1. x = 2 2. x = 1 3. x = 0 4. x = 1
( Ent44 .. )46. x = a y = x2 x = 0 x = 8 a3 ( 128 )(B)
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47.
1x2
1x1x
1)x(f g(x) = x3+x2
h(x) = f(x)g(x) ( 4 ) (B)1. h x = 1 0)x(hlim
1x
2. h x = 1 4)x(hlim
1x
3. h x = 1 0)x(hlim
1x
4. h x = 1 4)x(hlim
1x
48. g x 0 g(3) = 3 n g( xn+2x ) = 4x3+6x2+31 ( 2 ) (A)
1. 5 2. 6 3. 7 4. 8
49. f f(0) = 2 f x = 1 x = 1 f(4) ( 4 ) (B)
1. 28 2. 24 3. 24 4. 28
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50. y = f(x) ( 1,0 ) ( x,y ) 3x2 4x + 2x2
( a,b ) x 2 = 0 a+b ( 4 ) (B)1. 3/2 2. 2 3. 7/2 4. 4
( Ent44 .. )
51. y =
45x2)1x( 2
161,
21 x
20
2
sin2 ( 0.1 ) (A)
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52. f(x) = ax3 + bx a b f 2 x = 1 g(x) = x3 + f(x) g ( 4 ) (B)
1. ( 0,2 ) 2. ( 3,1 ) 3. ( 1,1 ) 4. ( 2,0 )
53. f(x) = ax3 + bx2 + 2x 2 a , b f (1) = 5 f (0) = 12 dx)x(f)x(f ( 1 ) (B)
1. cx10x9x5 23 2. cx10x9x5 23 3. cx10x9x5 23 4. cx10x9x5 23
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54. f f [ 0,1 ] g(x) =1x
)x(f4
f(1) = f (1) = 1 f(0) = f (0) = 2 dx)x(g1
0 ( 3 ) (A)
1. 5/2 2. 1/2 3. 3/2 4. 7/2
( Ent43 .. )
55. f(x) = x3 x2 + g(x) f(2) = f(2) = 2 )2(fg
( 1 ) (B)
1. 2 2. 1 / 2 3. 0 4. 2
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56. y = f(x) ( 0,1 ) ( 4,c ) c ( x,y ) 1x c ( 2 ) (B)
1. 4 / 3 2. 7 / 3 3. 8 4. 9
57. f(x) = ax3 4x2 + 1 a
1x0
1x)x(f
1x)x(f
)x(g
g(x) 1 a ( 2 ) (B)1. 0 2. 5 / 2 3. 8 / 3 4. 3
58. f(x) = x2 c c 4c y = f(x) x = 2 x = 1 24 c ( 9 ) (B)
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( Ent43 .. )59. f(x) = x3 +cx2 9x c f 1
f ( 1 ) (C)1. ( 3,1 ) 2. ( ,3 )( 1, ) 3. ( 1,4 ) 4. ( ,1 )( 4, )
60. F f f(x) = 3x2 6x + 3 F(0) = 1 F [ 0,2 ] x = c F(c) ( 3 ) (B)
1. 1 2. 0 3. 1 4. 2
61. fg(x) = ( x+1 )f( x )
dx)x(g = x2 x + c )1(f ( 1 ) (B)
1. 3/4 2. 5/4 3. 3/2 4. 5/2
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62.
0x0
1x01x
1xx
)x(f
2
2x)1x(f
lim)x(flim1x
20x
( 1 ) (A)
1. 4/3 2. 1 3. 0 4. 1/ 3
( Ent42 .. )63. u , v x x2x)x(v 2
)x(v)x(u)x(f u(3) = 9 , 3)3(u )3(f ( 5 ) (B)
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64. f
223
x44x4xx)x(f
2x
f(2) = a , f( 2) = b a b ( 4 ) (B)1. a = 1 , b = 3 2. a = 1 , b = 3 3. a = 1 , b = 3 4. a = 1 , b = 3
65. f ( 0,2 ) f(x) = 3x212x + 9 f( 3 ) (B)
1. 2 2. 3 3. 6 4. 8
66. F(x) = f(g(x)) g(x) = x3 + 2x +2 dx)x(F = 5x3+2x+c )5(f ( 1 ) (B)
1. 6 2. 5 3. 4 4. 3
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( Ent42 .. )67. f f(3) = 2 , f(3) = 5
g(x) =1x
)x(f2
g(3) ( 0.62 ) (C)
68. f(x) =
1xx1x1
1x1)1x(2
1xx2
1x23
2
. f x = 1. f x = 1
( 1 ) (C)1. . . 2. . . 3. . . 4. . .
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69. a , b , c , d dcxbxaxxf 23)( f 2x = 1 f(1) = 4 f(0) = 1 f ( 2 ) (B)
1. x = 3 2. x =31 3. x =
31 4. x = 3
70. R 1
sindx)3x4(
= 0 cos2 ( 3 ) (B)
1. 0 23 2. 0
23
3. 1 21 4. 1 1
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( Ent41 .. )
71. f(x) =
1x1x
x521x1
1x01x3
1
. )x(flim)x(flim1x1x
. f x = 1
( 2 ) (B)1. . . 2. . . 3. . . 4. . .
72. f 15)]([)( 3 xfxF 4)1()1( fF )1(F ( 2 ) (B)
1.21 2.
23 3. 8 4. 24
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73. y = x2 3x + 2 x = 0 x = 2 x( 4 ) (B)
1.23 2.
61 3.
32 4.
65
74. f f(2) = 1 f(1) = 3 f(x) = 3 x f(0)( 1 ) (B)
1. 5 2. 6 3. 12 4. 15
( Ent41 )
75. 3
9)(
2
x
xxf ( 1 ) (C)
1. 0)(lim3
xfx
)(lim3
xfx
2. 0)(lim3
xfx
6)(lim3
xfx
2. 0)(lim3
xfx
6)(lim3
xfx
4. )(lim3
xfx
0)(lim3
xfx
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76. 1)( xxf xxg )( ))(()( xfogxF 1x )2()( 1 F ( 3 ) (B)
1. 0 2. 1 3. 2 4. 4
77. )(
1)(
32
xg
xxf
3)2()2( fg )2(g ( 1 ) (C)
1. 11 2. 12 3. 13 4. 14
78. xxxdx
dy435 24 )1()1( yy )0(y ( 3 ) (B)
1. 0 2. 1 3. 2 4. 3