高三單調性基礎講義導數(shù)

1、專業(yè)好文檔1、已知函數(shù)（其中）的圖象與x軸的交點中，相鄰兩個交點之間的距離為，且圖象上一個最低點為.()求的解析式；（）當，求的值域. w.w.2、已知函數(shù)（）求函數(shù)的最小正周期；（）求函數(shù)在區(qū)間上的最小值和最大值利用導數(shù)求函數(shù)單調性講義題型一、不含參數(shù)求單調區(qū)間1、設函數(shù)(其中).() 當時,求函數(shù)的單調區(qū)間；2、已知函數(shù)(1)求當時,討論的單調性;3、已知函數(shù). () 求函數(shù)的單調區(qū)間; 題型二、簡單的含參數(shù)討論函數(shù)單調性1、討論的單調性，求其單調區(qū)間2、討論的單調性，求其單調區(qū)間3、討論的單調性4、討論的單調性5、求的單調區(qū)間6、已知函數(shù)f(x)=xax+(a1)，討論函數(shù)的單調性,求出

2、其單調區(qū)間。7、已知函數(shù)()設，求的單調區(qū)間8、已知函數(shù)（）討論的單調性；9、已知ar，函數(shù)（1）求f(x)的單調區(qū)間設函數(shù)f(x)= exax2()求f(x)的單調區(qū)間10、已知函數(shù)，x其中a0.（i）求函數(shù)的單調區(qū)間；三、利用單調性求參數(shù)取值范圍1、函數(shù)y=ax3x在(,+)上是減函數(shù)，則實數(shù)的取值范圍為 ；2、若函數(shù)f（x）=ax3x2+x5在r上單調遞增，則a的范圍是 3、已知函數(shù)在r上是減函數(shù)，則的取值范圍是： 4、若在r上是增函數(shù)，則（ ）（a） （b） （c） （d）5、設在上是單調函數(shù). 則實數(shù)的取值范圍為 ； 6、若函數(shù)f(x)=x3-ax2+1在（0，2）內單調遞減，則實數(shù)

3、a的取值范圍為 7、設函數(shù)利用導數(shù)求函數(shù)零點問題1、函數(shù)y=f(x)的圖像與x軸的交點問題.設函數(shù)（1）對于任意實數(shù)，恒成立，求的最大值；（2）若方程有且僅有一個實根，求的取值范圍變式：要使f(x)=0有且僅有三個實根, 求a的取值范圍2、函數(shù)y= f(x)圖像與直線y=b的交點問題1、已知函數(shù)求的單調區(qū)間； 若在處取得極值，直線y=m與的圖象有三個不同的交點，求m的取值范圍。2、已知函數(shù)其中是的f(x)的導函數(shù)。（）對滿足的一切的值， 都有求實數(shù)的取值范圍；（）設，當實數(shù)在什么范圍內變化時，函數(shù)f(x)的圖像與直線3只有一個公共點。3、已知是函數(shù)的一個極值點（）求；（）求函數(shù)的單調區(qū)間；（）

4、若直線與函數(shù)的圖像有3個交點，求的取值范圍3、函數(shù)y= f(x)圖像與函數(shù)y=g(x)圖像的交點問題已知函數(shù)（i）求在區(qū)間上的最大值（ii）是否存在實數(shù)使得的圖象與的圖象有且只有三個不同的交點？若存在，求出的取值范圍；若不存在，說明理由。winger tuivasa-sheck, who scored two tries in the kiwis 20-18 semi-final win over england, has been passed fit after a lower-leg injury, while slater has been named at full-back but

5、 is still recovering from a knee injury aggravated against usa.both sides boast 100% records heading into the encounter but australia have not conceded a try since josh charnleys effort in their first pool match against england on the opening day.aussie winger jarryd hayne is the competitions top tr

6、y scorer with nine, closely followed by tuivasa-sheck with eight.but it is recently named rugby league international federation player of the year sonny bill williams who has attracted the most interest in the tournament so far.the kiwi - with a tournament high 17 offloads - has the chance of becomi

7、ng the first player to win the world cup in both rugby league and rugby union after triumphing with the all blacks in 2011.id give every award back in a heartbeat just to get across the line this weekend, said williams.the (lack of) air up there watch mcayman islands-based webb, the head of fifas an

8、ti-racism taskforce, is in london for the football associations 150th anniversary celebrations and will attend citys premier league match at chelsea on sunday.i am going to be at the match tomorrow and i have asked to meet yaya toure, he told bbc sport.for me its about how he felt and i would like t

9、o speak to him first to find out what his experience was.uefa hasopened disciplinary proceedings against cskafor the racist behaviour of their fans duringcitys 2-1 win.michel platini, president of european footballs governing body, has also ordered an immediate investigation into the referees action

10、s.cska said they were surprised and disappointed by toures complaint. in a statement the russian side added: we found no racist insults from fans of cska. baumgartner the disappointing news: mission aborted.the supersonic descent could happen as early as sunda.the weather plays an important role in

11、this mission. starting at the ground, conditions have to be very calm - winds less than 2 mph, with no precipitation or humidity and limited cloud cover. the balloon, with capsule attached, will move through the lower level of the atmosphere (the troposphere) where our day-to-day weather lives. it w

12、ill climb higher than the tip of mount everest (5.5 miles/8.85 kilometers), drifting even higher than the cruising altitude of commercial airliners (5.6 miles/9.17 kilometers) and into the stratosphere. as he crosses the boundary layer (called the tropopause),e can expect a lot of turbulence.the bal

13、loon will slowly drift to the edge of space at 120,000 feet ( then, i would assume, he will slowly step out onto something resembling an olympic diving platform.they blew it in 2008 when they got caught cold in the final and they will not make the same mistake against the kiwis in manchester.five ye

14、ars ago they cruised through to the final and so far history has repeated itself here - the last try they conceded was scored by englands josh charnley in the opening game of the tournament.that could be classed as a weakness, a team under-cooked - but i have been impressed by the kangaroos focus in

15、 their games since then.they have been concentrating on the sort of stuff that wins you tough, even contests - strong defence, especially on their own goal-line, completing sets and a good kick-chase. theyve been great at all the unglamorous stuff that often goes unnoticed in the stands but not by y

16、our team-mates.it is as though their entire tournament has been preparation for the final.in johnathan thurston, cooper cronk, cameron smith and either billy slater or greg inglis at full-back they have a spine that is unmatched in rugby league. they have played in so many high-pressure games - a priceless asset going into saturday.the kiwis a