ÒÑ֪żº¯Êýf(x)¶ÔÈÎÒâµÄx1£¬x2¡ÊR£¬ºãÓÐf(x1£«x2)£½f(x1)£«f(x2)£«2x1x2£­2£¬

(1)Çóf(0)£¬f(1)µÄÖµ¼°f(x)µÄ±í´ïʽ£»

(2)É躯Êýg(x)£½(x¡ÊR)£¬Èôº¯Êýg(x)ÔÚÇø¼ä[£­1£¬1]ÉÏÊÇÔöº¯Êý£¬ÇóʵÊýaµÄÖµ×é³ÉµÄ¼¯ºÏA£»

(3)ÔÚ(2)µÄÌõ¼þÏ£¬Éè¹ØÓÚxµÄ·½³Ìg(x)£½µÄÁ½¸ö·ÇÁãʵ¸ùΪx1£¬x2£¬ÊÔÎÊ£ºÊÇ·ñ´æÔÚʵÊým£¬Ê¹µÃ²»µÈʽm2£«tm£«1¡Ý|x1£­x2|¶Ôa¡ÊA¼°t¡Ê[£­1£¬1]ºã³ÉÁ¢£¿Èô´æÔÚ£¬ÇómµÄÈ¡Öµ·¶Î§£»Èô²»´æÔÚ£¬Çë˵Ã÷ÀíÓÉ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º¹ã¶«Ê¡Ã·É½Ïض«É½ÖÐѧ2012½ì¸ßÈýµÚ¶þ´ÎÔ¿¼ÊýѧÎÄ¿ÆÊÔÌâ ÌâÐÍ£º013

ÒÑ֪żº¯Êýf(x)¶ÔÂú×ãf(2£«x)£½f(2£­x)ÇÒµ±£­2¡Üx¡Ü0ʱ£¬f(x)£½log2(1£­x)£¬Ôòf(2011)µÄֵΪ

[¡¡¡¡]
A£®

2011

B£®

2

C£®

1

D£®

0

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2011-2012ѧÄê¸ÊËàÊ¡¸ßÈýµÚÒ»´ÎÕï¶ÏÀí¿ÆÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÒÑ֪żº¯Êýf ( x )¶ÔÈÎÒâµÄÂú×ãf ( 2 + x ) = f ( 2 ¨C x )£¬ÇÒµ±Ê±£¬f ( x ) = log2( 1 ¨C x )£¬Ôòf ( 2011 )µÄÖµÊÇ

A£®2012           B£®2            C£®1             D£®0

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

ÒÑ֪żº¯Êýf(x)£¬¶ÔÈÎÒâx1,x2¡ÊR£¬ºãÓÐf(x1+x2)=f(x1)+f(x2)+2x1x2+1£¬Çó

£¨1£©f(0)µÄÖµ£»

£¨2£©f(x)µÄ±í´ïʽ£»

£¨3£©ÁîF(x)=(a>0ÇÒa¡Ù1)£¬ÇóF(x)ÔÚ(0£¬+¡Þ)ÉϵÄ×îÖµ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

ÒÑ֪żº¯Êýf (x)£¬¶ÔÈÎÒ⣬ºãÓУ¬Çó

£¨1£©f (0)µÄÖµ£»

£¨2£©f (x)µÄ±í´ïʽ£»

£¨3£©ÁÇóÉϵÄÖµÓò

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸