Page 20 - DECO403_MATHEMATICS_FOR_ECONOMISTS_ENGLISH

D-9<81 2 → -:0 0;9-5: F − ≤ ≤ H @41: 25:0 ;A@ 5@? 2A:/@5;: -:0 >-:31 ";@1

';8A@5;: +5B;9 C: FD − ≤ H F − H
−
≤
57< 9@9A9BH C: 8CA5=B 6M :IB7H=CB =G 7CBB97H98 H<9F9:CF9
@9A9BH Z 6M :IB7H=CB : =G 7CBB97H98 Z
@9A9BH Z 6M :IB7H=CB : =G 7CBB97H98 Z
@9A9BH 6M :IB7H=CB : =G 7CBB97H98
@9A9BH 6M :IB7H=CB : =G 7CBB97H98
@9A9BH 6M :IB7H=CB : =G 7CBB97H98
-<9F9:CF9 H<9 F5B;9 C: :IB7H=CB O Q
B8 :IB7H=CB O Z Z Q

%A1?@5;::-5>1

$

)FCJ9 H<5H / % =: / /
/
& /

$ %

=B8 CIH H<9 J5@I9 C: % =: 3 :? 4
%
& %
": / @C; / H<9B :=B8 CIH H<9 J5@I9 C: 3 :? 4

/

=B8 CIH H<9 8CA5=B 5B8 F5B;9 C: :IB7H=CB / ": H<9 :IB7H=CB =G G=B;@9 3 :? +4
/

$
%

=B8 CIH H<9 J5@I9 C: & =: / / 3 :? Z 4

$ /
%

&
/
)FCJ9 H<5H / 0 =: 0 /
/
/

)FCJ9 H<5H / S Z/ =: /
/
)FCJ9 H<5H / 0 1 / S 0 S 1 =: / /

$ $
=B8 CIH H<9 J5@I9G C: Z 5B8 % =: / / 3 :? 2, / % 4
/
& / & /

": / / Z / Z / / / Z / / / Z H<9B :=B8 CIH H<9 J5@I9 C: 3 :? 4

0<=7< C: H<9 :C@@CK=B; :IB7H=CBG 5F9 BCH 89:=B98 :CF H<9 J5@I9 C: /
/
5 6 7
/ / /
/
8 H5B / 9 / :
/
#* , $&# '' #" )" * &' (,