Page 43 - Math Grade 12 (Advance)
P. 43
PROEUS DARA
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2. y = J12-5x Gtmg x = 2 , D.x = 0.07
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t\[JS n '&~DJtUl ruts fit ru1 sLmRn ru;] ru tti hl~~: tt:1 rums ru RtL'liL~ ru'Cl 150 tL?lJt~ &94
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2Jm'l§H ~?1'1§ s C(x) = 930 + 15x + 0.2x m s tD ru '1 &Lli2 ttl~~ thlJ ru t~'l§jfus t\[12 nt~
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5. hlUlLI'nhltl run hl~~: tH9JuLn su~ ru msu run t15LU!n hl1'li~b 1 t2 hllJltitl run hl~~:
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x 'Ui]t~ tt:1ru2Jm'l§H~?1'l§S C(x) = O.li+4x+200 ~nr:hmstDru ttflt15hlUl1.flhlOlS
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ggru'iUIRGLl.flru'l§n~m§'iffl'l§HSf:l'l§S R(x) = 54x-0.3x ~nr:hmstDru '1
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n. hlthl~H~f:l'l§SLUinutLl.llQJ P(x)
2. tLti2 ttl~~ thlJ rut~'l§jfus t\flS n '&~DJ tUl ru &s fit ru1 sLmRn t M QJ ttiti"hnM hl~s:
tt1rumsruRtfisn 40 tL?iJt~ t94 44 tL?lJt~ '1
6. ffl'l§fil~hltbnmhlHnw~ms§,tlbm t3ss'i'lir:hr:lru~t:1tsinb91nb'l§ru~ru:ttlru t d'u94
n ct" tJ ul) c:t c; L.Ju c;
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~2t9jn'Hlsmafiswjb tt:1ru2Jm'l§H~?1'l§S P(t) = I0(40+2d-1600t SlR '1 t1Y'2ttl
~~thlJru t~'l§jtnst\[lsfitnflsLtir:ht1ru~~~b91_!1btSlg tti t tDJLtirun 6 t~ 6.2sljl '1
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7. mn19Jb~ ru't:fls nbr:h t'~ '1 tLli2 ttli~ thlJru t~'l§j?i Ll.ll 21 n &~1.? tUl ru&s fit ru1 s't:fl:a
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3.8
