.


:




:

































 

 

 

 


.

f(x)
1. .

a
b
0
. =f(x) , ( 2>x1, f(2)>f(x1)), , ( 2>x1, f(2)<f(x1)).

.

1. y=f(x) () , ( ) .

. , , , .

2.() f(x) () , ( ).

f(x).

1. f′(x) .

2. f(x), .. , f′(x) .

3. , f′(x) . .

4. f′(x) . f′(x)>0, f(x) ; f′(x)<0, f(x) .

2.

. = () f(x), f(a)>f(x) ( f(a)<f(x)) =.

(a)
= () f(x), , f(x) () =.

f(x)
, ( )

3. = =f(x) , : f′()=0.

, = =f(x), (;f()) .

.

4. f′(x) , f(x).

f(x).

1. f′(x).

2. f(x) .

3. f′(x) .

4. f(x) .

3.

f(x) , ; , .

f(x) .

1. f′(x).

2. , (.. 1,2,n).

3. f′′(x).

4. ; , ; , .

4. .

f(x)
=f() (;f()) , .

. =, (; f()).

. =, (; f()).

. () , () .

1. ( ). =f() , , - .

:

1. .

2. , .. , f″(x) .

3. , f″(x) . .

4. f″(x) . f″(x)>0, ; f″(x)<0, .

5. .

f(x)
. , .

2. ( ) f″(x) =, (; f()) =f().

f(x).

1. f″(x).

2. 2 .

a
3. 2 . f″(x) .

4. f(x) .

6. .

, .

, .

 

 

() () y=kx+b, k b :

=0, y=b.

7. .

  1. .
  2. , , .
  3. .
  4. .
  5. , .
  6. .
  7. .


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