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αλγεβρα β γενικο

Oct 09, 2015

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argie87

αλγεβρα β γενικο
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  • 2

    )

    , .

    ( 10)

    )

    ) , , .

    ( 15)

  • 2

    : 8x + 2y = 7 (1)

    ) (1).

    ( 10)

    ) , ,

    . ( 15)

  • 2

    , , 27 ,

    .

    ) ; .

    ( 13)

    ) 5 .

    .

    ( 12)

  • 2

    ) , ()

    ().

    ( 12)

    ) . ( 13)

  • 2

    f:

    (5,2) (4,9).

    ) f .

    ( 12)

    ) f(5-3x) < 2. ( 13)

  • 2

    f(x) = x2 4x + 5 , x

    ) f f(x) = (x - 2)2+ 1. ( 12)

    ) , f,

    y = x2. ( 13)

    ( 13)

  • 2

    ) x = 4

    34x + 3 = 0; .

    ( 10)

    )

    f(x) = 4x y = -1.

    ( 15)

  • 2

    :

    =+

    =

    yaxyx 82

    , , .

    ) , ,

    (2, -3). ( 13)

    ) , , .

    ( 12)

  • 2

    x cm, y cm,

    38cm :

    2cm 4cm,

    .

    ) .

    ( 10)

    ) x, y . ( 15)

  • 2

    parking 10 ,

    830

    2.700.

    ) .

    ( 13)

    ) .

    ( 12)

  • 2

    :

    ( + )2 = 1

    ) = 0 = 0. ( 13)

    ) . ( 12)

  • 2

    f(x)= 21

    2x, x

    ) ; f;

    ( 9)

    ) f .

    ( 10)

    ) 1.

    .

    ( 6)

  • 2

    )

    2y x 1

    x y 1

    = +

    = .

    ( 15)

    ) ).

    ( 10)

  • 2

    0 x2

    < < (2x 1) (5x 4) 0+ = , :

    ) 4

    x5

    = . ( 10)

    ) x. ( 15)

  • 2

    , :

    + = 135.

    :

    ) ( + ) = 1 ( 10)

    ) + + 1= ( 15)

  • 2

    f(x) = 2x+1, x

    ) f . ( 10)

    ) x[0, 2] ;

    ( 15)

  • 2

    :

    =+

    =++

    6)1(432)1(

    yxyx

    , .

    ) = -3, . .

    ( 8)

    ) = 3, . ( 8)

    ) = 0, .

    ( 9)

  • 2

    ,1

    2)( 2+

    =x

    xxf .x

    ) 1)( xf . ( 8)

    ) 1 ; .

    ( 8)

    ) . ( 9)

  • 2

    ) : 0)()2

    ( =+++ xx . ( 10)

    ) x [0,2) : )2

    ( xx += .

    ( 15)

  • 2

    ) :

    10

    17,

    4,

    6

    .

    ( 12)

    ) 2

    321

  • 2

    Cf f

    . N :

    ) ( ) ( )1 2,f x f x ( )3f x .

    ( 10)

    ) f ; .

    ( 10)

    ) f x2; .

    ( 5)

  • 2

    3

    5 =

    ,

    () .

    ) . ( 10)

    ) .

    ( 15)

  • 2

    :

    ( ) = 1 : 2 1 x y

    (2): ( 1)x y = 6,

    ) 1 2 . ( 8)

    ) 1 2, = 3. ( 8)

    ) , 1 2 ;

    . ( 9)

  • 2

    ( ) 3 2f x x= , x.

    ) , f. ( 12)

    ) f

    .

    x 0 4

    2

    3

    4

    2x

    2 x

    ( ) 3 2f x x=

    ( 13)

  • 2

    1 : 2 5x y + = , 2 : 2 3 9x y + = 3 : 3 2 7x y + = .

    ) i. 1 2 .

    ii. 1 3 .

    ( 12)

    ) (), 2 3

    1 . ( 13)

  • 2

    25 .

    14

    16 , 374

    .

    ) x y o ,

    .

    ( 12)

    ) ; ( 13)

  • 2

    ( ) ( )3 32

    f x x x = +

    , x.

    ) ( ) 2 3f x x= . ( 10) ) f . ( 15)

  • 2

    f: ,

    ( )2,3 ( )4,5 .

    ) f . ( 13) ) f xx -2, ( )0 0f > . ( 12)

  • 2

    : 1: 2x + y = 6 2: x - 2y = -3

    ) . ( 13)

    ) , 3x + y = + 5 .

    ( 12)

  • 2

    : = x

    x

    1

    2

    , x 2, .

    ) = 1+x ( 12)

    ) x

    x

    1

    2

    =21

    (0, 2). ( 13)

  • 2

    x : 2

    x < < ( ) ( ) 1 x x + = .

    ) 1

    2x = . ( 12)

    ) x. ( 13)

  • 2

    ) : xx+1

    x

    x1-x 2

    =+ , x , . ( 13)

    ) : 3x+1

    x

    x1-x 4

    =+ ( 12)

  • 2

    Cf Cg

    f g . g

    f .

    :

    ) , f .

    ( 10)

    ) Cf Cg.

    ( 15)

  • 2

    f(x) = 2x2 12x + 19.

    ) f : f(x)= 2(x 3)2 + 1.

    ( 10)

    ) g(x) = 2x2.

    , f

    g.

    ( 15)

  • 2

    :

    =+

    =

    yaxyx 92

    , ,

    ) , , ,

    (1, -4). ( 13)

    ) , , ,

    . ( 12)

  • 2

    :

    =+

    =+

    yaxyx 32

    , ,

    ) , , ,

    (-1, 5). ( 13)

    ) , , ,

    . ( 12)

  • 4

    ( ) 8 8f x x x= + .

    ) f . ( 5)

    ) f . ( 8)

    ) f , ,

    .

    ( 7)

    ) , ( ) ( ) 3g x f x= ( ) ( 3)h x f x= + .

    ( 5)

  • 4

    :

    .

    113

    .

    115 .

    ) .

    ( 13)

    ) .

    ( 12)

  • 4

    1 2 ( 2) 3x y+ + = , ( 2) 5 3x y + = .

    ) , .

    ( 13)

    ) 1 2 ,

    .

    ( 7)

    ) :

    2 3x y+ = .

    ( 5)

  • 4

    ( )f x = | 1a + | ( )x a >0, 3 4.

    ) a =2 4a = = 12

    . ( 7)

    ) a =2 =12

    ,

    i. f (x)=3 . ( 10)

    ii. f [0, 8].

    ( 8)

  • 4

    52 + 28 + 21 = 0.

    ) = - 45

    . ( 10)

    )

    2 < < , :

    i. 2 = 725

    2 = - 2425

    . ( 8)

    ii. :

    = + +

    + +

    2 213 [ 2 2] 1218 2 2 25[2 2] . ( 7)

  • 4

    :

    =++

    =+

    3)1(33)1(

    yaxyxa

    , .

    ) (x0, y0), x0 = y0 .

    ( 10)

    ) :

    i. . ( 6)

    ii. . ( 4)

    )

    = 3 , = 2 , = -2. ( 5)

  • 4

    :

    =+

    =+

    yxyx 12

    , .

    ) . ( 10)

    ) = -1 (x0, y0) , [0, 2)

    x0 = y0 = . ( 7)

    ) = 1 (x1, y1) ,

    , x1 = y1= . ( 8)

  • 4

    . , ,

    t sec

    h(t) = 8 + 6

    30t

    , 0 t 180

    ) ,

    .

    ( 8)

    ) . ( 3)

    ) ,

    . 0 180 sec;

    ( 4+2=6)

    )

    :

    i. h(t). ( 3)

    ii.

    h(t) 0 t 90. ( 5)

    t 0 15 30 45 60 75 90

    h(t)

  • 4

    : dcxxf = 2)(21)( , x

    c, d ,

    A(0, 16) B(4, 0).

    ) ,

    c, d . ( 10)

    ) c = 6 d = 2,

    i. f

    . ( 3)

    ii. ,

    f

    2

    21)( xxg = ( 6)

    iii. ,

    f, f ,

    . ( 6)

  • 4

    f

    f(x) = (x) + k, , , k .

    ) , :

    i. f ( 3)

    ii. T f ( 3)

    ) , k. .

    ( 9)

    ) = 3, = 21

    k = 2, x0

    A , . ( 10)

  • 4

    ) :

    =+

    =+

    11

    22 yx

    yx ( 12)

    ) () ,

    0 2,

    + = -1

    . ( 13)

  • 4

    f (x) = x g(x) = 2x.

    )

    f g. ,

    f (x) g (x), x [0, 2].

    ( 8)

    x 0 4

    2

    4

    3

    45

    2

    3

    47

    2

    f (x)

    g (x)

    ) ,

    2x = x (1)

    [0, 2]. ( 4)

    ) (1) [0, 2]

    ()

    f g. ( 13)

  • 4

    . .

    .

    1. 14

    2. 24

    3. .

    ) 1. 2. .

    ( 10)

    ) .

    ( 15)

  • 4

    . cm

    t (sec) :

    h(t)=(t) +, , , .

    , 20cm

    100cm. t=0

    (: ----) 6

    sec.

    ) =3

    . ( 5)

    ) . ( 6)

    ) 14sec

    . ( 8)

    ) h(t), 0 t 12. ( 6)

  • 4

    .

    ( cm), :

    134

    t12)t( += f , t .

    ) . ( 7)

    ) t = 5 t = 8.

    ( 8)

    ) t = 0 t = 8,

    . ;

    (10)

    GI_V_ALG_2_16950GI_V_ALG_2_16954GI_V_ALG_2_16957GI_V_ALG_2_16960GI_V_ALG_2_16962GI_V_ALG_2_16965GI_V_ALG_2_16968GI_V_ALG_2_17647GI_V_ALG_2_17650GI_V_ALG_2_17651GI_V_ALG_2_17652GI_V_ALG_2_17656GI_V_ALG_2_17659GI_V_ALG_2_17663GI_V_ALG_2_17664GI_V_ALG_2_17681GI_V_ALG_2_17683GI_V_ALG_2_17688GI_V_ALG_2_17692GI_V_ALG_2_17693GI_V_ALG_2_17698GI_V_ALG_2_17699GI_V_ALG_2_17703GI_V_ALG_2_17704GI_V_ALG_2_17709GI_V_ALG_2_17717GI_V_ALG_2_17725GI_V_ALG_2_17732GI_V_ALG_2_17734GI_V_ALG_2_17736GI_V_ALG_2_17739GI_V_ALG_2_17741GI_V_ALG_2_18632GI_V_ALG_2_18634GI_V_ALG_2_18637GI_V_ALG_2_18638GI_V_ALG_4_17833GI_V_ALG_4_17834GI_V_ALG_4_17835GI_V_ALG_4_17837GI_V_ALG_4_17838GI_V_ALG_4_17839GI_V_ALG_4_17840GI_V_ALG_4_17841GI_V_ALG_4_17842GI_V_ALG_4_17843GI_V_ALG_4_17844GI_V_ALG_4_17846GI_V_ALG_4_17850GI_V_ALG_4_17852GI_V_ALG_4_17855