已知f(x)=ln(x+1),g(x)=1/2ax^2+bx,（1）若b=2,且h(x)=f(x-1)-g(x)存在单调递减区间,求a的取值范围（2）a=0,b=1时,试判断f(x)与g(x)图像的公共点的个数并说明理由在明天12点以前要看,

来源：学生作业帮助网 编辑：作业帮 时间：2024/08/26 19:35:02
已知f(x)=ln(x+1),g(x)=1/2ax^2+bx,（1）若b=2,且h(x)=f(x-1)-g(x)存在单调递减区间,求a的取值范围（2）a=0,b=1时,试判断f(x)与g(x)图像的公共点的个数并说明理由在明天12点以前要看,
xToDWDwnw/ u7"$p4Q339V \ULݜ/f-KTq3}oϖͳ_?F9iX6]t;=R\-x}y|}vc`Jl`ygn̞nc27?wMw_fxvs<8@yt'ٓ3~4ؒ89e6l/fsz9~}W5Mvoc^g)cEM6I[w޽^|>WIPH ZyR"t Śom#Uxx/c[[z1YE;*#r-~->d+.{(  |VY:)DL)H:9va $ !a1Pi(Ȩ hs  aŖUSHf UDO.մG,qhg13#LacP~]{fstc7}W?Y UD@Dϩ#J`Y.39gD\D©+b#p\Zp 1.0J/JI(>ahZ1˨BЈ\9teւ ڰD>.*EmTShaBR4PY[=? MQ; kЄIp!ռrtj jH?ZdbABVl# dWR!"2]B$$z_e4`O (WU:|Ta }HVFZJ܆4 u!g!g9n*ʜ)75!.+щPz[O%"h`mI#[9s_]nzI$4dDSlqnKeojօL"O#Ju*A,cm$?զk9ug 'ᘸ

已知f(x)=ln(x+1),g(x)=1/2ax^2+bx,（1）若b=2,且h(x)=f(x-1)-g(x)存在单调递减区间,求a的取值范围（2）a=0,b=1时,试判断f(x)与g(x)图像的公共点的个数并说明理由在明天12点以前要看,
已知f(x)=ln(x+1),g(x)=1/2ax^2+bx,（1）若b=2,且h(x)=f(x-1)-g(x)存在单调递减区间,求a的取值范围（2）a=0,b=1时,试判断f(x)与g(x)图像的公共点的个数并说明理由
在明天12点以前要看,

已知f(x)=ln(x+1),g(x)=1/2ax^2+bx,（1）若b=2,且h(x)=f(x-1)-g(x)存在单调递减区间,求a的取值范围（2）a=0,b=1时,试判断f(x)与g(x)图像的公共点的个数并说明理由在明天12点以前要看,
1.
h(x)=f(x-1)-g(x)=lnx-(1/2)ax²-2x,x>0
h'(x)=1/x-ax-2=-(ax²+2x-1)/x
i)当a=0,h'(x)=-(2x-1)/x
知x∈(1/2,+∞),h'(x)

Kids UGG Classic Short
Living room is the regulating body and mind with the yardsticks of a perceptual space ugg kids sale, sometimes a few friends closeted mind of the place. White sofa filled ...

全部展开

Kids UGG Classic Short
Living room is the regulating body and mind with the yardsticks of a perceptual space ugg kids sale, sometimes a few friends closeted mind of the place. White sofa filled with chintz cushions , coffee table and vase of purple tulip flowers on the shelf UGG Ultra Tall Boots, one high and one low , complement each other UGG Classic Tall Boots, both seductive and people do not consciously think of the warm spring ; purple tone quietly reveal the owner's romantic .

Fabric soft and rich and varied colors of the changing room on the given expression , making the whole space has a strong affinity for . Especially in the winter , the cold wind blows always doubly missing people on the cloth . Because warm colors of high purity buy ugg boots, can be active in the indoor atmosphere ugg bailey button, the cold yellow wallpaper paste the wall , living room with a warm feeling immediately .

Oriental commercial brand discount

Sweater with a dazzling choice for winter

Variety with winter dress rules

收起

已知函数f(x)=ln(2+x),g(x)=ln(2-x)(1)求f(x)+g(x)的定义域已知函数f(x)=ln(2+x),g(x)=ln(2-x)(1)求f(x)+g(x)的定义域(2)求使f(x)-g(x)≤0成立的集合 已知f(x)=ln(x+1),g(x)=1-1/(x+1),试证:对任意的x>0,都有f(x)≥g(x)成立 已知函数f(x)=ln(x+1),g(x)=x/(x+1)求当-1 已知f(x)=ln(x+1)-2x+2 f(x)=ln(1+x)/x //ln(1+x) 已知奇函数f(x)=ln(m+x)-ln(1-x),确定m的值若f(x)=ln g(x),试判断函数g(x)在(-1,1)的单调性并用定义证明 已知函数f[x]=xlnx,设g[x]=f[x]=ln[1+x]_x,判断g[x]的导数零点个数 已知f(x^2-1)=ln(x^2/x^2-2) 且f(g(x))=lnx,求g(x) 已知f(x-1)=ln(x)/(x-2),若f(g(x))=lnx,则g(x)等于多少,求明细 若f（x）=x+ln(x-5),g(x)=ln（x-1）,解不等式f'（x)>g'（x） 麻烦过程详细点谢谢 f(x)=ln(1+x)/(1-x),求g(x)=f(x/2)＋f(1/x)定义域 已知f(x)=ln(1+x) 求lim(x→0) f(x)/x 已知f(x)=ln(x+1),设f(x)的反函数为f'(x).求：函数题：已知f(x)=ln(x+1),设f(x)的反函数为f'(x).求：1.求g(x)=f(x)-f'(x)的单调区间.2.若对任意x>0,不等式Lnf'(x)-f(e的x次方) 已知f(lnx)=ln(1+x)/x,求f(x) .完整 求f(x) 若函数f(x)=ln(1+x)-x,g(x)=xlnx设0 已知函数f(x)=-x'2+ln(1+2x)求f(x)的最大值 已知函数f(x)=ln(1+x)-x,求f(x)最大值 已知函数f(x)=ln(2+x),g(x)=ln(2-x)1、求函数y=f（x）-g（x）的定义域2、求使f（x）≥g（x）成立的x的取值范围3、判断函数y=y=f（x）-g（x）的奇偶性,并说明理由