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x  (t )  (x 2 (t )  x (t )),

5) y (t )  e x (t ) u 2 (t ).


u (t )  , t ) 0 ( x  . 1

x  (t )  x 2 (t )  3 x (t )  , 2

6)  y (t )  u (t / ) x (t ).

u (t )  ln(t ), ) 0 ( x  . 1

 x  x 2 (t )  1
 (t )  x (t ) ,
7) 
 y (t )  e u (t )  ln(x (t )).

u (t )  , t ) 0 ( x  . 1

x  (t )  x (t / ) u 2 (t ),

8) 2
 y (t )  x (t / ) u (t ).
u (t )  t , x ) 1 (  . 1

x  (  t ) u( t) e  x( t) ,


9) y( t ) u( t) x  ( t ) x( t) e  u( t) .

x )1(  ;1 u( t ) t

x   (t )  x 2 (t ) e u (t ) ,

10)  y (t )  x (t ) u (t ).

) 0 ( x  ; 1 u (t )  . t 

 x(  x( t) u  ( t)
 t ) t ,
11) 
 y( t ) x( t) u  ( t).
x )0(  ;1 u( t ) t

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