名校
解题方法
1 . 已知函数
,其中
.
(1)若
,求曲线
在点
处的切线方程;
(2)若对于任意
,都有
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e2801f5da76694f3aeeab45121349d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37600c3dd9f62ea3e9e8f89df4a7866a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2f894cded42b72d4add15f067cb4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-15更新
|
308次组卷
|
3卷引用:陕西省咸阳市2022-2023学年高二下学期期末文科数学试题
解题方法
2 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)记
,若当
时,
恒成立,求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9eaf9969fd126bad389e7231090088.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d22b4beb798f9b1b12b9036e725f2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5efe66db991b562c73ffb16c1e585870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc2395f479a7f620dc7a8168f87adef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 已知函数
有三个零点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1146b920e21e9b2bf1bb5df6afe7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-13更新
|
549次组卷
|
5卷引用:陕西省渭南市临渭区2022-2023学年高二下学期期末文科数学试题
4 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,证明:
有且只有一个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2cb26c8b2ee4296797abb6a70c97fd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28041c5e5949c193468e398cf814cbdf.png)
您最近一年使用:0次
2023-07-11更新
|
340次组卷
|
5卷引用:陕西省汉中市2022-2023学年高二下学期期末理科数学试题
5 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)当
时,证明:函数
在
上有两个不同的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57326a8edd0e0e53a31135427cc3c20c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03fa8f5a701a2a61c1b902963bf88d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)当
时,讨论
的单调性;
(2)已知
时,
恒成立;若当
时,
恒成立,求
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e018e1c83759a3c9418d9af6129346.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8166e75ef9ebda44ee6c4f23209acca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342e513f34a30dc28cef5eb4d4e46b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 若函数
,当x=2时,函数
有极值
.
(1)求函数的解析式:
(2)若关于x的方程
有一个零点,求实数k的取值范围.
(3)求曲线
与直线
所围图形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a88ab7bfd66e2ca134492ada2e2382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f7bfbf53707fe9aa4fb9570632542d.png)
(1)求函数的解析式:
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb101c5df08aa35ae24a6416840b199b.png)
(3)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1a686b80b8f109a929f58c2de7201d.png)
您最近一年使用:0次
名校
8 . 已知函数
.
(1)试讨论
的单调性;
(2)若对任意
,当
时,均有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ff7c5ea2a8975d4d9c9d515a1fe8a0.png)
(1)试讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb349111192d84bce5f84a257b0e90e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ecdf832fa8919211ea5255329abf1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f299f63828eb56cbcd2b13207553692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-07-04更新
|
137次组卷
|
2卷引用:陕西省西安市长安区第一中学2022-2023学年高二下学期第二次月考文科数学试题
名校
9 . 已知函数
.
(1)求函数
的单调递增区间;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62261826f3f18afc133a650d4e567153.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779627dda10e4b31643b33a62af9378f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-04更新
|
238次组卷
|
3卷引用:陕西省宝鸡市渭滨区2022-2023学年高二下学期期末理科数学试题
名校
10 . 若曲线
有三条过点
的切线,则实数
的取值范围为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4a90cfdbfa05577b6ec0b22739e7c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-01更新
|
623次组卷
|
3卷引用:陕西师范大学附属中学2022-2023学年高二下学期期末文科数学试题