2010·江苏盐城·三模
1 . 已知函数,
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e48d083295a18dbf2ba261145bd37fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe958fdf039b2e2c47d685b7b5bb0ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7703152796963fdc1696ebf3c2f70272.png)
您最近一年使用:0次
2 . 已知函数
.
(1)解关于
的不等式:
;
(2)当
时,过点
是否存在函数
图象的切线?若存在,有多少条?若不存在,说明理由;
(3)若
是使
恒成立的最小值,试比较
与
的大小(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158e629d5227dd15de9da05f5a6aa751.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a822a5d7d8e596e41466e6ba3f74a7.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5030685d4bfdaba51d78d4678f3e101c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a6b3b128b4bce79a63cea8869b12f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c53f9f1ec37560c23829d6da6d3996a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff883ef65b7078d86da530bc80173610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321fb1302b7fc326afe47b49d2a4309f.png)
您最近一年使用:0次
2020高二·浙江·专题练习
3 . 已知函数
.
(1)求方程
的实数解;
(2)如果数列
满足
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb19f0c37a72b33083ae9319f11a74.png)
,证明:
;
(3)在(2)的条件下,设数列
的前
项的和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c568ccd3aa8a7a5161cf394030b94968.png)
(1)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd689fbacfbe6c1bd0953521bbf3638b.png)
(2)如果数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb19f0c37a72b33083ae9319f11a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fc82353331abee0828dee9b38c08f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2814e6160b75e7261121aafbf5fa6e.png)
(3)在(2)的条件下,设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a2b4c25547664c0ebc2da393109ad1.png)
您最近一年使用:0次
名校
4 . 已知
(
为自然对数的底数),
.
(1)当
时,求函数
的极小值;
(2)当
时,关于
的方程
有且只有一个实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290dfa43bcecc055837374f00dce6fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85451e2c824cbf9c1aa2a24848496a04.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c204be088a8fc6c096eedd5b1e7dc7.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c81b29ac8a01886b25dcef55c5f6877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69935380b7059b221227c9c841efefb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-03-07更新
|
451次组卷
|
4卷引用:【校级联考】东北三省三校(哈尔滨师大附中、东北师大附中、 辽宁省实验中学)2019届高三第一次模拟数学(理)试题