Page 39 - Math Grade 12 (Advance)

PROEUS DARA
P(41)-P(40) = 467.8-460 = 7.8 mst{Jru dlL01rb:hMQ)t{:jL15Q1SrJfil~rnrifu1fJ~:

1 tt~b~ 'EJ]b9 41 '1
t?lffiLHgmai\12 ~s 'riLfllRthn.n Q] t[:j rnmsn fil~ rnRM1f1~: tUJ]b9 41 m-e~cr-ejlb

t9Jn~ts21b ttm-e ~

2
t?l'HlS P(x) = - 0.2x + 24x- 180 m 2 t{J ru
t?JQIS P'(x) = -0.4x+24
P' c 40) = -4 x 40 + 24 = 8 m 2 r; D
rn
t?JMtbntllimm P'(40) = 8 'HlSn~-e~ut'Ulrusb1Q1RGtn.nmf[:jrurnsnm~rnfi
n " cru L.J l.) .......,
M1fl~:tt?JJb941 ~ P(41)-P(40) = 7.8 '1 t?JMHM~ P'(40)=P(41)-P(40) '1

t?Jm P'(40) mtrnfit3tn.nQJuf~-ef[:jrurnsnm~rnfiM1fJ~=tt~b9 41 '1

Q
~
oQJ
a:l
I 0
cJ
I
rnsnm~rnnM'Hl~:brH119 x+ 1 ?1 P(x+ 1)-P(x) '1 'HlSStum 'iOinmn.nmms-edl
Gl Lj ........, S'\
HLmufL-eut-erntrnficrr:n.nm M~u mrnrunu1'Hln.nd rug:; a ruf[:j rnrns rnfift,uDJrn
u • u
0 •
t?JnllilfiMHMa : P'(x)=P(x+ 1)-P(x) '1
0 • 0 t:::ll .c!lo c::.. 0 Q
mtmcrtu: tnbtsUnd rufiM'Hl~ :mg~mg:;ss-erurnssrun tuMmnb m~d rnnM'Hl~:
II 01 \,.1 lj U 1 ct 01
u 1
X tt?J]bf[:jrn2Jm-eH~?l'SS C(x) = 2070+25x+O.li m2t{Jrn tUlti5tflbG[2L15RtuQ)~QJ
2
99L"liQ1S~OIRGMruMmf[:jru§'iffl'SHS?l'SS R(x) = lOOx O.lx m2t{Jru '1
IJ L:i U I i.J 1

2. ttu]mcrJu P(61)-P(60) Sb P'(60) '1

?J. ih2~sn~~DJfUlru~sLrnficrr:n.nmf[:jrurnsnm~rnfiM1fJ~=tUJ]b9 81 '1
oti'1w :
""

• 0
t?l'HlS C(x) = 2070+25x+O.!x msn rn
2
• 0
R(x) = lOOx-O.lx 2 mst~ rn

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