1. . '
  2. " Ѳ ² ղ ²ʲ
  3. .
  4. ' ֲ ˲

1. .

. , = b, b- .

= b

??, (0; b).


2. .

. ,

= k , k ? 0. k

.

= k

1) - .

2) - .

3) , f(- ) = k (- ) = - k = - f ().

4) k > 0 , k < 0 .

5) = k , ( k> 0, ; k<0 - ).

: f () - , (1; 1), (2; 2) - , 2? 0, . , 1 = k 1, 2 = k 2. 2? 0, 2 ? 0. .

> 0 > 0, : ; .

3.

. , = , k ? 0. k- .

=

1) : (- ; 0) E (0; + )

2) : R\ {0}.

3) , f(- ) = = - = - f ().

4) k > 0 (- ; 0) E (0; + ), k < 0 (- ; 0) E (0; + ).

5) ; k > 0 , k < 0 . , .

: f () - , (1; 1), (2; 2) - , 2? 0, 1 ? 0, . , 1 = , 2 = . .

> 0 > 0, : ; .

4. ˳

. ˳ , = k + b, k b- .

k= 0, , b= 0, = k .

:

1) - .

2) - .

3) , .

4) k > 0 , k <0 .

5) = k + b . k b. k > 0, , k <0, . , k, . b , .

= k1 + b1 = k2 + b2. , , , k1 ? k2; , k1 = k2; , k1 = k2 b1 = b2.

5.

. , = 2 + bx + , - ; , b, - , ? 0.

= 2. ??. = 1, = 2, (0; 0), (1; 1), (-1; 1), (2; 4), (-2; 4) ( )

= 2 = 2 , > 1 , 0 < <1.

= 2 (> 0):

1) - .

2) [0; + )

3) .

4) (- ; 0), (0; + ).

5) - , (0; 0).

6) (0; 0), .

= - 2 = 2 .

= 2 + bx + .

2 + bx + = (2 + + ) =

= ( - )2 + .

?? (; ), = , = .

³ = , ; , <0, .

= 2 + bx + :

1) - .

2) : > 0 - , <0-

3) b ? 0, , .

4) > 0 (- ; ), ( ; + ); <0 (- ; ), ( ; + ).

.

.

= 2+ 4+ 5.

: 2+ 4+ 5 = (2+ 8+ 10) = (2+ 8+ 16 + 10 - 16) = = (+ 4)2- 3.

, '(- 4; - 3) = 2.

: 0 = = = - 4; 0 = = .

- , .

= 2- 4+ 5.

, 5. 2- 4+ 5 = 5.

: 2- 4= 0; (- 4) = 0, 1= 0; 2= 4.

(0; 5) (4; 5) , = 2. = 2, = 4 - 8 + 5 = 1, (2; 1).

- .

1 2= 2 + bx + , (1; 0) (2; 0), , 0 = .




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