Page 38 - Math Grade 12 (Advance)

PROEUS DARA

0 1 0 ~ 0 C::::.
mtmnm: M'i.flUfflMdrrHiM'tm:tnbtrub~ru msurunruMmnbm~dru61M'i:m:
U d"1 .... 1.1 I co d"1
I
X 'Ui]b t1j ru~m~»~J:l~SLtnRO run fjj M~'li C(x) = 0.002i + 0.72x + 260 m sdJ ru ttfi fjj
M'i.f1UfflMtnsruR&um1mM'tm:~rutU1=14b6'lt~ P = D(x) = 3-0.00ix mstQru '1
.........,........_,('1 W J 6V

c< ' 0
2. MHM~»S1=1~21fllnutrul m M~'li '1
I t_; ~ I
1=1. J:lrul21 P(300) Sb P(375) '1

cui1m :
w
c< ' 0
n. »S1=1~21tnnurulruMm
I t_; U I
tJ:l't:fJS P = D(x) = 3-0.00ix mstQru

x crm1't:f!MM't:fl~:f1jruruRms
"
' 0
tJ:ltnS R(x) = Pxx = (3-0.00lx)x = 3x-0.001x 2 mst~ ru '1

t1=l't:fls C(x) = o.oo2i + o.nx + 260 m 2 tQ ru

R(x) = 3x-0.001i mstQru

tr:JI fjj P(x) = R(x)- C(x)

2 2
tJ:ltnS P(x) = (3x- O.OOlx ) - (0.002x + 0.72x + 260)
' 0
2
= -0.003x + 2.28x- 260 m 2 '~ ru '1
1=1. tJ:ltnS P(300) = -0.003x300 +2.28x300-260 = 154 mstQru
2
2
P(375) = - o.oo3 x 375 + 2.28 x 375-260 = 173.125 m 8 tQ ru '1

tJI - l Q Q tO C\1 I
~rnmu111: 1n~'i.fls runM't:fl~:r»~t1UU61Su~ru msg 9 ru1mnutru1 m t1 m~ runM't:fl~:
G 1 "'W 1.1 ut.; ~ "
I U
X 'LJ:l]bftjru~m~»~J:l~S P(x) = -0.2i+24x-180 mstQru
2
tJ:ltnS P(40) = -0.2x40 +24x40-180 = 460 mstQruchLtnROtrulQ)ttirums
~m~ruRM~·u: 40 tL1=l]b

P(41) = -0.2x41 +24x41 180 = 467.8 mstQru chLtnROtrulQJttirums~msruR
2
M1f1~: 41 'LJ:l]b

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