Page 40 - Math Grade 12 (Advance)

PROEUS DARA

n:tH15 P(x) = R(x)- C(x)
2 2
= (100x-O.lx )-(2070+25x+O.lx)
' 0
2
= -0.2x +75x-2070 msn ru '1
2. tLu]mcrJu P(61)-P(60) sb P'(60)

2
tR'i:fl2 P(x) = - 0.2x + 75x- 2070 m 2 dJ rt5
tROl2 P'(x) = -0.4x+75 mst{)ru

P'(60) = -0.4x60+75 =51 m2r{)rn

2
P(6l) = -0.2x61 +75x61-2070 = 1760.8 mst{)ru

P(60) = -0.2 X 60 + 75 X 60-2070 = 1710 m S t{] ill

P(61)-P(60) = 1760.8-1710 = 50.8 mst{)ru

~msg P(61)-P(60) = 50.8 mst{)ru <P'(60) =51 mst{)ru '1

R. flti;!Llit'i.fl ru 'Estmfith nn Q) ttl rums rl m~ rnrhu1f!~: r~Jt~ 9 81

tR'i:fl2 P'(x) = -0.4x+75 mst{)ru

&ROl2 P'(80) = -0.4(80+75) = 43 mst{)ru

~msg tmfintMQ)ttlrumsnm~ru;hu1f!~:r~Jt~9 81 'i:fl2nti;!Llitmru

43 mst{]ru '1

1f.!Rui1 : tdltlG~nd rnflhl'i:fl~: t~{hmnhnumstirun liHumntl filHHUfihl'i:fl~: X
lj 1!1 C, .n l.jl_j II 1., .n
1
'L~tlttlrn2Jm1Hf~R'i:3~ C(x) = 400+30x-0.2i mst{)ru ttfirutntlGU10l2rt5RbGQ)1Q)

9~bl50l2LOlRGru;Jrt5~ffl'!§H~R'i:3~ R(x) = 54x-0.4i msr{]rn '1
c< ' 0
n. MHnHHSR'i:3SHilntHMmMm '1
1 W '-' I
~. tnSf::PS61ti;!tyttnrntSUilRG&ME!)ttlruQlSnfilHliRM1f1~:tUJ]t!9 21 stltUJ]b9 41 '1
5. 4. UTintHl.m tntniJUut gtr
..
'
0
tJ/' - C:. Q I 0 Q
:ltntntn..n : ~n'i:3'i.fl2 o rnfl M'i:fl~: t~ti~Olhl'i:3 ru msurun ruMmntl m~o rnfl M'i:fl~: x
C, I .n WW II I.. .n
I 1
'LR]t!ttlrn2Jm'i:3H~R'i:3~ C(x) = 0.02i+100x+2000 mstDru
20 0
tROl2 C(x) = C~) = o.02x+100+ ~ msruru mLmfinrunru'i:3wJ'i:3\;ltlfilHirn61
I
hl1fJS: 1 t~Jtl') '1
35