已知函数
,
(1)若
,求函数
的单调区间
(2)当函数
(
为自然对数的底数),
的最大值为
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7228fda02c40c797c4e46b7e6c9a80f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a4eaa80b44625890339d6a0065c241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd60a9db2b431aff51218ce078f0e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9ceb64367798a9631cd5c25bd373f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f1c0e10360c3dea10640ac01212de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2019-05-21 17:16:05
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】设函数
的图像为曲线
,过原点
且斜率为
的直线为
.设
与
除点
外,还有另外两个交点
,
(可以重合),记
.
(1)求
的解析式;
(2)求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3747dca4f1c2693834703be47f058a91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61906640a0ad83cf8f17ee782c0bc7cc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
,若曲线
在点
处的切线与直线
平行.
(1)求
的值.
(2)求函数
的单调区间和极值.
(3)试判断函数
的零点个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654cc600383f29a3d301ab926d48f292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02d37483fc85d3877aec2971c215638.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】已知函数
.
(Ⅰ)若
,求
的单调性和极值;
(Ⅱ)若函数
至少有1个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8d3d012c6f386f97064795bccb01fa.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7ce2ea09a463912ee0a6a526594b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数f(x)=xln x+(a-1)x+2.
(1)当a=2时,求f(x)在x=1处的切线方程;
(2)若f(x)>0恒成立,求实数a的取值范围.
(1)当a=2时,求f(x)在x=1处的切线方程;
(2)若f(x)>0恒成立,求实数a的取值范围.
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】已知函数f(x)=x|x2﹣3|,x∈[0,m],其中m∈R,且m>0
(1)若m<1,求证:函数f(x)是增函数;
(2)如果函数f(x)的值域是[0,2],试求m的取值范围.
(3)如果函数f(x)的值域是[0,λm2],试求实数λ的最小值.
(1)若m<1,求证:函数f(x)是增函数;
(2)如果函数f(x)的值域是[0,2],试求m的取值范围.
(3)如果函数f(x)的值域是[0,λm2],试求实数λ的最小值.
您最近一年使用:0次