1 . 已知函数
,函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若函数
有且只有一个零点,求实数
的取值范围;
(3)若函数
对
恒成立,求实数
的取值范围.(
是自然对数的底数,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cc3b5068bbc6dbbc4c74fac2d69357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1aa6a6e1a8a7df54dbeb4ae4c496c4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b1c1f432229e803550dff76ae02259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5a6b5cbbc4e8201e0122269c2e40b8.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f5d574d091535f03a7978bccedcc82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81392870ee48985ca1e404950de02aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4318a47d7e83d587e74bab4d3d1f6883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867a01569cb3a5ab9587c85eeb43fb23.png)
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2 . 若直线
与曲线
(
是自然对数的底数)相切,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fb5f07d7214180cef2d4bc24aa785a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae1b87c23b45ce5e5e74d5b1d73234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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2019-02-13更新
|
777次组卷
|
2卷引用:【市级联考】江苏省常州市2019届高三上学期期末考试数学试题
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3 . 已知复数
满足
(
是虚数单位),则复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cecd2a892376c6beafd26583b70f211c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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2019-02-13更新
|
436次组卷
|
4卷引用:【市级联考】江苏省常州市2019届高三上学期期末考试数学试题
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4 . 已知函数
,
.
求函数
的单调增区间;
若函数
有三个互不相同的零点0,
,
,其中
.
若
,求a的值;
若对任意的
,都有
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c798b08d2801a25bb57e8593fbca73f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec5bce37c9f6932972a7dd3d084a3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95748646b15b2fe08d7a59e10252c2be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61335e8831dbc2aed840e021eba0ca38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc928452c7ee9657a735ba5748d416e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd5390f9d7261dabcbe32365eea0928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfae44844d306cf952a45847de43fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e95fe92cba914a1a395a8b86808f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb8d80ae7f499bb2abd47aa4134a003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5e023a77e77e0f416947c74fe36228.png)
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5 . 若函数
在区间
单调递增,则k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3f9940a60323e929bba007d8e8c427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f56bbb430d7abe842cf821ebb9925e.png)
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6 . 已知命题p:函数
的值域为R;命题q:函数
在
上有极值,若
是真命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38230a089ade79b775d92b0fa6bae359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ed0be8be864772e0e358e1e1ce62f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5be6e46b0462091e770950856491d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63e8f7a492b9066d33a7741a74ba621.png)
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7 . 函数
在点
处切线的斜率为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2948656698dc8087c0b5ab6d738eb404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77fd27039472c8445553d8ec9f7002f3.png)
您最近一年使用:0次
2019-03-17更新
|
498次组卷
|
3卷引用:【校级联考】江苏省常州一中、泰兴中学、南菁高中2019届高三10月月考数学试题
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8 . 已知函数
,
.
函数
在点
处的切线与直线
垂直,求a的值;
讨论函数
的单调性;
当
时,证明:不等式
成立
其中
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae652a9ab4cc15c67dde301f89867b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec5bce37c9f6932972a7dd3d084a3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b55b22fd2e3f3b4c6cb424b535067a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ad36c67ea9ab557c86e0465a0c7400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98f981f20ba992e63242a0b1451bcfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5036e26e77152eb05955d2aceca93950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9199fdfc2f09e48db26e450aa550d6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce8411079aca57f17d3ead32798f055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fecd0f7f3724c99dde51e533c98440b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f515802d3e4a059101262543d9539f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e6e0528810b2eb72f0cce1a436690b.png)
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9 . 已知三次函数
,对于任意
,均有
且存在唯一
,满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2592165d963025e6a3572da018159e.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75044e0301ef9def5c1a1c8e6f2cba77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c39788661b7b33f8f33821d0ed6d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e133dc560ea55586d828dd6c34887f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b128e19414523c1cef7bd100ddff60cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2592165d963025e6a3572da018159e.png)
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2018-10-28更新
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1193次组卷
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3卷引用:【校级联考】江苏省常州一中、泰兴中学、南菁高中2019届高三10月月考数学试题
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10 . 设曲线
在点
处的切线方程为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3cb3d32d6a69551bcfab2d49a36df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f7fbfa2214ca72495a993b2fed8b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2019-12-26更新
|
1243次组卷
|
14卷引用:2015届江苏省常州市武进区高三上学期期中考试理科数学试卷
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