2
1) .
2) .
. , , . , , , . , , .
, , , .
V .
E = 300 ..
( ) :
E = E + qV,
q=800 . - .
( )
W = cV,
c - , .
c,
P = 200 ..
V, : 600 000 ., 700 000 ., 800 000 ., 900 000 .
, , .
W = cV = P + E,
:
P + E W
= ___________ = ______
V V
( ). .
300 000 000 . | ||||
200 000 000 . | ||||
. | 800 . | |||
600 000 | 700 000 | 800 000 | 900 000 | |
, . , Excel .
:
$A$7:$E$7; $A$10:$E$10. - XY-. X: =500000 =900000.
N 6 ( ).
x - , , q = 500 . - . V V= 20 000 - 4x
|
|
( ) E =10 000 000 + qV
W = xV
( ) P = W - E
, , .. x <= 3 000
( ):
1 000 . | |||||
500 . | |||||
B5:B8 .
- - B3 B8 .
. - B8 ( ). - B3 ().
B3 <= 3000
. - . 1 (: = 10250000, = 2750).
. :
V = 30 000 - 6x, q = 800 .,
V = 25 000 - 5x, q= 1000 .
.