3. .

3.1. .

3.2. .

3.3. , , , .

3.1. .

 

.

1. t - [c] , x - [] . :

- . . ;

- max . ( ) ;

- ? ? ?

- ? ? max ? ?

- , ? ?

- , tk.

2. , .

3. C = C ( t) , t [ ] , C - b [ ] ; t [ ] , C - [ ] .

4. C - [ C ] , t - [ ] . C = C ( t) , C [ F] , t - [ ]

: 0 = 32 , 100 = 212 F.

5. t , C . C = C ( t) :

- , ( d ) t0 ?

- , ( e ) C 0 ?

3.2. .

y = f (x) .

f (x)

[ M]

c 20KT21

c 20KT22

,

 

 

f (x) f '(x) f " (x)

 

[]

 

3.3. , , , .

Z = f(x,y) j (x, y) £ 0

f (x, y) = a

a - ,

j (x,y)= .

1. .

2.

Z= f(x, y) j (x, y)=0.

3. .

f (x, y) =

j (x, y)=

[ ]

c 20KT21

c 20KT22

4

2

[]