锟斤拷一锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟教帮拷锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟斤拷

锟斤拷锟斤拷锟教學(xu锟斤拷)目锟斤拷(bi锟斤拷o):

锟斤拷锟斤拷1.锟斤拷锟秸岋拷(du锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟絴(zh锟斤拷),锟杰筹拷锟斤拷锟絓(y锟斤拷n)锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷Q锟斤拷(w锟斤拷n)锟絵.

锟斤拷锟斤拷2.锟絓(y锟斤拷n)锟矫岋拷(du锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟轿猴拷锟斤拷锟絴(zh锟斤拷).

锟斤拷锟斤拷3.锟斤拷锟紹(y锟斤拷ng)锟絎(xu锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟轿結(ji锟斤拷)锟较碉拷思锟斤拷,锟皆硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷.

锟斤拷锟斤拷锟教學(xu锟斤拷)锟斤拷锟絚(di锟斤拷n):

锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟絴(zh锟斤拷)锟侥戯拷(y锟斤拷ng)锟斤拷.

锟斤拷锟斤拷锟教學(xu锟斤拷)锟統锟絚(di锟斤拷n):

锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟紻锟斤拷锟阶冿拷Q.

锟斤拷锟斤拷锟教學(xu锟斤拷)锟絕(gu锟斤拷)锟斤拷:

锟斤拷锟斤拷一锟斤拷锟斤拷(w锟斤拷n)锟絵锟介境

锟斤拷锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟�(d锟斤拷ng)1.锟斤拷锟饺猴拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷,锟斤拷锟絚锟斤拷(du锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷锟組(j锟斤拷n)锟叫岋拷(du锟斤拷)锟斤拷,锟斤拷锟結(ji锟斤拷)锟斤拷锟紻锟斤拷變锟絈锟斤拷一锟斤拷規(gu锟斤拷)锟斤拷.

锟斤拷锟斤拷2..锟斤拷锟斤拷锟斤拷锟斤拷(g锟斤拷u)锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)

锟斤拷锟斤拷1.锟斤拷锟斤拷(sh锟斤拷)()锟侥圖锟斤拷锟斤拷锟缴猴拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷

锟斤拷锟斤拷锟矫碉拷;

锟斤拷锟斤拷2锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷锟絚锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷锟絇(gu锟斤拷n)系锟斤拷                 ;

锟斤拷锟斤拷3.锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷锟絇(gu锟斤拷n)系锟斤拷               .锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟絓(y锟斤拷n)锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷D锟斤拷示锟斤拷锟斤拷锟角岋拷(du锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)y=logax锟侥圖锟斤拷,

锟斤拷锟斤拷锟斤拷知a值取02,05,15,e,锟絫锟斤拷锟斤拷(y锟斤拷ng)锟斤拷C1,C2,

锟斤拷锟斤拷C3,C4锟斤拷a锟斤拷值锟斤拷锟轿烇拷           .

锟斤拷锟斤拷锟斤拷(sh锟斤拷)y=logx锟侥圖锟斤拷锟絇(gu锟斤拷n)系

锟斤拷锟斤拷1)y=log3(x-);2)y=log3(x+2)y=log3x-;y=log3x+2.1.y=logaxx锟絊锟斤拷锟斤拷平锟斤拷2锟斤拷(g锟斤拷)锟斤拷位,锟斤拷锟斤拷锟斤拷平锟斤拷1锟斤拷(g锟斤拷)锟斤拷位.a(a>0,a≠1),锟斤拷锟斤拷(sh锟斤拷)y=loga(x-1)+2锟斤拷            .

锟斤拷锟斤拷3.y= log3(x+2),y =log3x锟侥圖锟斤拷锟絚直锟斤拷y=-1,y=1锟斤拷锟斤拷锟缴的凤拷锟絔锟紻锟轿碉拷锟斤拷e锟斤拷                 .

锟斤拷锟斤拷锟斤拷3 锟街別锟斤拷锟斤拷锟斤拷锟叫猴拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷,锟斤拷锟絚锟斤拷锟斤拷(sh锟斤拷)y=logx锟侥圖锟斤拷锟絇(gu锟斤拷n)系

锟斤拷锟斤拷1) y=logx|; (2)y=log2x|;

锟斤拷锟斤拷(3) y=logx); (4)y=-logx.

锟斤拷锟斤拷锟斤拷锟斤拷(x锟斤拷) 锟結(ji锟斤拷)锟较猴拷锟斤拷(sh锟斤拷)y=logx|锟斤拷1)锟斤拷锟斤拷(sh锟斤拷)y=logx|锟侥猴拷锟斤拷(sh锟斤拷)y=logx|锟侥嗭拷锟絳(di锟斤拷o)锟絕(q锟斤拷)锟絞锟斤拷锟斤拷(sh锟斤拷)y=log(x-2)锟侥嗭拷锟絳(di锟斤拷o)锟絕(q锟斤拷)锟絞锟斤拷锟斤拷(sh锟斤拷)y=log2x-锟侥嗭拷锟絳(di锟斤拷o)锟絕(q锟斤拷)锟絞(1)锟斤拷锟斤拷(sh锟斤拷)锟紻锟斤拷锟阶冿拷Q(平锟斤拷變锟絈锟酵岋拷(du锟斤拷)锟絈變锟絈)锟斤拷規(gu锟斤拷)锟斤拷;

锟斤拷锟斤拷()锟斤拷y=log2锟侥圖锟斤拷锟絚锟斤拷锟斤拷(sh锟斤拷)y=log2x锟紻锟斤拷锟斤拷P(gu锟斤拷n)系.

 

       锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟教帮拷锟絉锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟教帮拷锟斤拷锟接硷拷锟絚锟狡筹拷锟絇(gu锟斤拷n)系

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號(h锟斤拷o)