Page 35 - Math Grade 12 (Advance)
P. 35
PROEUS DARA
fUJiuif : tnbtiUnd runnrtm: t~thmnhH15 ms ruAM'tm: t9i §~H~Gd snbnt~
LP Gl " L.;L.; lJ " eJ "' GV
1
p = D(x) = 117-~ msdJrunb 1 t[3ibt1:lru X dlGSSnnm:t1:Jrumsdru6istlruRntl
4 "I J lJ " "I
x t[3Jbt1:lru2Jm~H~f:ms8ru;]ruMru R(x) = 94x-o.2i ~ndlmstDru '1
l:l'1018 R(50) = 94x50-0.2x50 = 4200 mstDrudlL01RGCl.!JruM~'i501Snnurui4
2
M}fl~: 50 'Ll'l]b
R(51) = 94x51-0.2x51 = 4273.8 mstflru dl~QIRGM'ruMmmsnf=mruRM'i:m:
2
'J L.; u 1 "
51 'Ll'l]b
R(51)-R(50) = 4273.8-4200 = 73.8 ms~:uru dlLQIRGCl.!Jb1501SnnururiM}fl~=
'13]b9 51 '1
tl'lffimgrn~ms ~s r1Lmri8ru;] rut1:l rumsn nu ruriM}fl~: '13]t~9 51 m~~~~Jtl
t9Jn~n:nhtLrn~ ~
' h
2
&l'l'i::llS R(x) = 94x-0.2x mst~Jru
tl'lms R'(x) = 94-0.4xmstDru
R'(50) = 94-20 = 74 mstDru
tl'lMttlntllimm R'(50) = 74
n .....,
1:Ll'l]b9 51 ii R(51)-R(50) '1
tl'lMHM~ R'(50)""R(51)-R(50) '1
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