锟斤拷锟斤拷锟斤拷锟轿猴拷锟斤拷(sh锟斤拷)锟斤拷2锟斤拷

锟斤拷锟斤拷一锟斤拷锟斤拷锟紸(ch锟斤拷)锟皆測

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷(sh锟斤拷) 锟侥讹拷锟絰锟斤拷?y锟斤拷n)锟絉锟斤拷锟絫 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷(sh锟斤拷) 锟节區(q锟斤拷)锟絞 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟絫 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟絆(sh锟斤拷) 锟斤拷锟絇(gu锟斤拷n)锟斤拷m锟侥凤拷锟斤拷 锟侥兩傦拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟絫 锟斤拷锟斤拷小值锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷 锟节ｏ拷0锟斤拷1锟斤拷锟斤拷(n锟斤拷i)恰锟斤拷一锟斤拷锟斤拷锟絫 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷5锟斤拷锟斤拷锟轿猴拷锟斤拷(sh锟斤拷) 锟侥圖锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷x锟絊锟较ｏ拷锟斤拷 锟斤拷锟轿狅拷锟�

锟斤拷锟斤拷6锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷锟皆�锟斤拷锟斤拷锟絫锟斤拷(sh锟斤拷)锟斤拷(sh锟斤拷)

锟斤拷锟斤拷7锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷一锟斤拷小锟斤拷1锟斤拷锟絫锟斤拷(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷8锟斤拷锟絆(sh锟斤拷)锟斤拷锟轿猴拷锟斤拷(sh锟斤拷) 锟斤拷 锟斤拷锟絫锟斤拷锟絕 锟絚0锟侥达拷小锟絇(gu锟斤拷n)系锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟絭锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷知锟絇(gu锟斤拷n)锟斤拷 锟侥讹拷锟轿凤拷锟斤拷

锟斤拷锟�锟斤拷锟�1锟斤拷    锟斤拷锟斤拷锟斤拷锟叫兩革拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷 锟斤拷(n锟斤拷i)锟斤拷锟斤拷一锟斤拷锟斤拷 锟斤拷(n锟斤拷i)锟斤拷锟斤拷m锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷    锟斤拷锟斤拷锟教兩革拷锟斤拷锟节區(q锟斤拷)锟絞 锟斤拷(n锟斤拷i)锟斤拷锟斤拷m锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷知锟斤拷锟斤拷(sh锟斤拷) 锟斤拷a锟斤拷b锟介常锟斤拷(sh锟斤拷)锟斤拷锟揭凤拷锟斤拷f(x)锟斤拷x+12=0锟叫兩傦拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷x1=3, x2=4.

锟斤拷锟�锟斤拷锟�1锟斤拷锟襟函旓拷(sh锟斤拷)f(x)锟侥斤拷锟斤拷式锟斤拷

锟斤拷锟�锟斤拷锟�2锟斤拷锟絆(sh锟斤拷)k>1锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷x锟侥诧拷锟斤拷式锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)f(x)=|x2-4x-5|

锟斤拷锟斤拷锟斤拷1锟斤拷锟节區(q锟斤拷)锟絞 [-2锟斤拷6]锟较�锟斤拷锟絝(x)锟侥圖锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷 ,試锟叫斷集锟斤拷A锟斤拷B之锟絞锟斤拷锟絇(gu锟斤拷n)系锟斤拷锟斤拷锟給锟斤拷锟紺锟斤拷锟斤拷

锟斤拷锟�锟斤拷锟�3锟斤拷锟斤拷(d锟斤拷ng)k>2锟絩锟斤拷锟斤拷锟紺锟斤拷锟节區(q锟斤拷)锟絞[-1锟斤拷5]锟较ｏ拷y=kx+3k锟侥圖锟斤拷位锟节猴拷锟斤拷(sh锟斤拷)f(x)锟紻锟斤拷锟斤拷戏锟�.

锟斤拷锟斤拷锟斤拷4锟斤拷锟斤拷知锟斤拷锟斤拷(sh锟斤拷)

锟斤拷锟�锟斤拷锟�1锟斤拷锟斤拷k=2锟斤拷锟襟方筹拷f(x)=0锟侥斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷x锟侥凤拷锟斤拷f(x)=0锟节ｏ拷0锟斤拷2锟斤拷锟斤拷锟叫兩傦拷锟斤拷 锟斤拷锟斤拷k锟侥凤拷锟斤拷锟斤拷锟斤拷锟紺锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟絥锟斤拷锟斤拷锟絀(y锟斤拷)

锟斤拷锟斤拷锟洁級               锟斤拷锟斤拷               锟絎(xu锟斤拷)號                锟饺碉拷

锟斤拷锟斤拷1.    锟斤拷知锟斤拷锟斤拷(sh锟斤拷) 锟絚锟斤拷锟斤拷锟侥傦拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷式锟斤拷

锟斤拷锟斤拷锟絫锟絚锟斤拷锟斤拷(sh锟斤拷) 值锟斤拷锟斤拷同锟斤拷 锟侥斤拷锟斤拷式锟斤拷

锟斤拷锟斤拷2锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷) 锟絫锟斤拷锟斤拷式 锟侥解集锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷知锟斤拷锟斤拷(sh锟斤拷) 锟斤拷 锟斤拷锟絫锟斤拷(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷 锟侥诧拷锟斤拷式 锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟�锟斤拷锟絫 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷5锟斤拷锟斤拷知锟斤拷锟斤拷(sh锟斤拷) 锟斤拷 锟絫锟斤拷(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷6锟斤拷锟斤拷锟斤拷(sh锟斤拷) 锟侥圖锟斤拷锟絇(gu锟斤拷n)锟斤拷直锟斤拷 锟斤拷锟絈锟斤拷锟斤拷(j锟斤拷)锟剿匡拷锟狡測锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷銓�(sh锟斤拷)锟斤拷(sh锟斤拷)a锟斤拷b锟斤拷c锟斤拷m锟斤拷n锟斤拷p锟斤拷锟絇(gu锟斤拷n)锟斤拷x锟侥凤拷锟斤拷 锟侥解集锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟�锟斤拷锟�1锟斤拷.         锟斤拷2锟斤拷       锟斤拷3锟斤拷    锟斤拷4锟斤拷

锟斤拷锟斤拷7锟斤拷锟斤拷知锟斤拷锟斤拷(sh锟斤拷) 锟斤拷锟斤拷锟斤拷 锟较碉拷锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷锟铰條锟斤拷锟斤拷锟斤拷 锟斤拷    锟斤拷 锟斤拷    锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷使 锟斤拷锟斤拷锟斤拷臈l锟斤拷锟斤拷號锟斤拷

锟斤拷锟斤拷8锟斤拷锟絇(gu锟斤拷n)锟斤拷 锟侥凤拷锟斤拷 锟斤拷锟給锟斤拷锟斤拷锟斤拷锟侥傦拷锟斤拷锟絵锟斤拷锟斤拷锟叫硷拷锟斤拷锟絵锟侥傦拷锟斤拷(sh锟斤拷)锟斤拷

锟斤拷锟�锟斤拷俅锟斤拷趯锟�(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷使锟矫凤拷锟斤拷恰锟斤拷2锟斤拷锟斤拷同锟侥岋拷(sh锟斤拷)锟斤拷锟斤拷

锟斤拷锟�锟斤拷诖锟斤拷趯锟�(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷使锟矫凤拷锟斤拷恰锟斤拷4锟斤拷锟斤拷同锟侥岋拷(sh锟斤拷)锟斤拷锟斤拷

锟斤拷锟斤拷锟桔达拷锟节岋拷(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷使锟矫凤拷锟斤拷恰锟斤拷5锟斤拷锟斤拷同锟侥岋拷(sh锟斤拷)锟斤拷锟斤拷

锟斤拷锟�锟斤拷艽锟斤拷趯锟�(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷使锟矫凤拷锟斤拷恰锟斤拷8锟斤拷锟斤拷同锟侥岋拷(sh锟斤拷)锟斤拷.

锟斤拷锟斤拷9锟斤拷锟斤拷知锟斤拷锟斤拷 锟斤拷 锟絫锟斤拷(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷10锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷) 锟侥讹拷锟絰锟斤拷?y锟斤拷n)?锟斤拷锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n) 锟斤拷(g锟斤拷u)锟斤拷一锟斤拷锟斤拷锟斤拷锟轿區(q锟斤拷)锟斤拷锟斤拷锟絫 锟斤拷值锟斤拷

锟斤拷锟斤拷1.              2.                3.               4.               5.

锟斤拷锟斤拷[]

锟斤拷锟斤拷6.              7.                8.               9.               10.

锟斤拷锟斤拷11锟斤拷锟斤拷锟斤拷 锟侥兩革拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷(sh锟斤拷)锟斤拷(sh锟斤拷) 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷12锟斤拷锟斤拷知锟斤拷锟轿猴拷锟斤拷(sh锟斤拷) 锟侥岋拷(d锟斤拷o)锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷锟絚直锟斤拷 平锟斤拷,锟斤拷 锟斤拷 =锟斤拷1處取锟斤拷锟斤拷小值m锟斤拷1(m ).锟絆(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷) 锟斤拷锟斤拷锟斤拷锟斤拷 锟较碉拷锟絚(di锟斤拷n)P锟斤拷锟絚(di锟斤拷n)Q(0,2)锟侥撅拷锟絰锟斤拷锟斤拷小值锟斤拷 ,锟斤拷m锟斤拷值

锟斤拷锟斤拷13锟斤拷锟絆(sh锟斤拷) 锟介實(sh锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷(sh锟斤拷) .

锟斤拷锟斤拷(1)锟斤拷 锟斤拷锟斤拷 锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷(2)锟斤拷 锟斤拷锟斤拷小值锟斤拷

锟斤拷锟斤拷14锟斤拷锟斤拷知a锟角岋拷(sh锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷(sh锟斤拷) 锟斤拷锟斤拷锟斤拷锟斤拷锟�(sh锟斤拷) 锟节區(q锟斤拷)锟絞 锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷a锟斤拷取值锟斤拷锟斤拷