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2006

 

1 腅..  
2 腅.  
  1.  
  2. 腅..  
  3. ⅅ.  
3  
  1.  
  2.  
  3. ...  
  4. .  
4 酅..  
  1. 腅.  
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  5. , 充  

 

 

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

D f, x , y f x.

E = { y Î R: y = f (x), x Î D } f.

D = N ( ), , { x n }. , x n = :

x 1 = , x 2 = , x 3 =

 
 

G f Oxy (x, f (x)), x Î D.

 
 
 


:

1.

) , , f (x) = 3 x + 7;

) , , f (x) = ;

) , F (x, y) = 0,

, x 2 + arctg (xy) 1= 0;

) : F (x) = f (u (x)). ,

, y = sin u, u = ; , y = e u, u = cos v, v = 3 x.

2. ;

3. ,

x x 1 x n
f (x) y 1 y n

 

: y = x a ( ), y = a x, y = log a x, . , , .

f (x) [ a, b ], x 1, x 2 , x 1< x 2 f (x 1) £ f (x 2). f (x 1) < f (x 2), f (x) .

f (x) [ a, b ], x 1, x 2 , x 1< x 2 f (x 1) ³ f (x 2). f (x 1) > f (x 2), f (x) .

.

, { x n } (), n Î N x n £ x n +1 (x n ³ x n +1).

f (x) [ a, b ], M, x f (x) £ M.

f (x) [ a, b ], m, x f (x) ³ m.

, [ a, b ] , , [ a, b ]. : K, | f (x) | £ K x [ a, b ].

 





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