Page 32 - Math Grade 12 (Advance)

PROEUS DARA

2f11mtnn: d5LmRdrunruM;uqbmHHthHu~~: x '13]b mbn:nru C(x) tsu

LOlAdrunruhl1UgbmH1rnfihl~~= x+ 1 tLI!l]bmbn:nru C(x+ 1) '1

' h
2'i5'tflttl C(x) = 350+8x-0.2x l!lfir:hmstlJb\5
2 ""
2
tmns C(lO) :::: 350 + 8 X 10-0.2 X 10 :::: 410 m s t~J mr:hLOlAdrun ti5Qb ff1H~ rnfi
I
hl~~: 1o tLI!l]b

2
C(ll):::: 350+8X 11-0.2x 11 ::::413.8 mstDmmlmAdrunruQbm~tlrnfi
I
hl~~= ll t13]b

C(ll)-C(JO) = 413.8 mstDm -410 mstDm = 3.8 mstDmr:hLOlA

drunruqbmactrnnhlw~= 1 '13]bittL1!1Jb9 11 '1
1rr'l§jlbt9Jn tfimmgm~ms~slmAdrunruqbm~ctrnnhl~~= 1 tL~b?tt13]b

'91t m'l§1rr~B~bt1J11'1§ ~

tl!l'i:lls C(x) = 350+8x-0.2i ~nr:hmstDm

tfiQlS C'(x) = 8- 0.4x

coo>= s-o.4x w = 4 mstDm

tfiMtbmmmm c'(lO) = 4 'i:llsnt'l§mt'Ulmsb,mAdrunrunbm~ornnhl'i:m:
n "'-' wl_; L.:i ot .n
I
'L~b'9tl ?t C(ll)-C(!O) = 3.8 '1

tfihlHhl~ C'(lO)=(C(Il)-C(lO)) '1

tfim c'(IO) r:hLmAdrunruuf~'l§hll'i:lltim~ornnhl~a:t13Jb9 11

ttJrltf/1 : C'(x) r:h'i01Ad run ru'i5tS'l§tfHli'i:llS &it'e'iUt'Ul msb'iQlAd run runb
'IJ l.i 6'\ Nl,j , lJ <::t
I
m~ornnhl~~:tlmn9 x+ 1 '1 'i:lls2rumunfidrunruuf~"er:hH1Jrmf~uTIHliLOlA
1.1

tfihlHhl~ C'(x)=C(x+l)-C(x) '1

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