1 . 已知函数
.
(Ⅰ)若
,求曲线
在
处的切线方程;
(Ⅱ)若
,求证:
;
(Ⅲ)当
时,若关于
的不等式
的解集为
,且
,
,求
的取值范围(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f326438496a2f610cbc056379f31e103.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5dddfd05cb070fe3365dab210b065d.png)
(Ⅲ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6946166bdbd7c0e82a08beda41edb850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351629c193354cdcf202133052e45028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83506ab732ee827e875c2b325062114c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)若不等式
的解集为
,求不等式
的解集;
(2)
时,
①当
时,若不等式
在
有解,求
的取值范围;
②当
时,设
,若存在
,
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bd0587f5d6a3b5db9e4a93e0dbc0ef.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2f84c4c975416035f8cad81c16c7a0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239ea0e903fbb4c8ce04133b9969578c.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d828749658cd888cb1616253ed1709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce77f7285535ff8631dc156f8039d545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac47aa9171eb54d29a4da9658b525cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
3 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30f60c8af51938333c46924bec89d1.png)
(1)若曲线
与曲线
在它们的公共点处且有公共切线,求
的值;
(2)若存在实数
使不等式
的解集为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d5ec5d686b88f3558ead72001563cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30f60c8af51938333c46924bec89d1.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5905cfcc5af4b01d63237486eb6d295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
4 . 已知函数f(x)=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee3b5b42e658fe4ffec0be7080d38b1.png)
(1)求f(x)>0的解集;
(2)若x∈R时,
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee3b5b42e658fe4ffec0be7080d38b1.png)
(1)求f(x)>0的解集;
(2)若x∈R时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb1dca1f333562e18216150d1eac133.png)
您最近一年使用:0次
2020-02-09更新
|
317次组卷
|
2卷引用:2020届重庆市巴蜀中学高三高考适应性月考(二)数学(理)试题
名校
5 . 已知函数
,函数
.
(1)若曲线
与曲线
在它们的交点处有公共切线,求
的值;
(2)若存在实数
使不等式
的解集为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b675fefd8a4fd3a613ff21200ec3d76a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdf06addad5445e7af1f5023abfb7b7.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72a93ac3826dfd4d12525aa0b973dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
6 . 已知函数
,若曲线
在点
处的切线方程是
,不等式
的解集为非空集合
,其中
为自然对数的底数.
(Ⅰ)求
的解析式,并用
表示
;
(Ⅱ)若任意
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413af3475596fa40d9e21d084b2624f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbed2d7fb28ef171dd986254126a934c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ac7521ff33f3dafcb7e34ee39428c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0589487a456a6287ce8d4eddd9a0e795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(Ⅱ)若任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b8e862a2fed151ba3e0ddfaae7857f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134bcfe3d80b6c1c8108e74296cf16e9.png)
.
(1)当
时,求
的极值;
(2)当
时,若函数
恰有两个不同的零点,求
的值;
(3)当
时,若
的解集为
,且
中有且仅有一个整数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134bcfe3d80b6c1c8108e74296cf16e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f0b59d15d59d00521958ecf7045d31.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3bea89d4c4c6153e31e2d266b34f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724615ca6ac4e55fc5d791eeae43aa64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
8 . 已知函数
,
.
(1)当
时,求
的单调增区间;
(2)令
.
②当
时,若
的解集为
,且
中有且仅有一个整数,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7555be2748f0da833b73339775f79279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e65cfe3ec532c95da312fd96a9452c3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb1ed40a8f67e93401e544284ceaaf2.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197ea50937988668e3f6c944115597d3.png)
①当时,若函数
恰有两个不同的零点,求
的值;
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724615ca6ac4e55fc5d791eeae43aa64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
您最近一年使用:0次
9 . 已知函数
.
(1)求
的极值;
(2)若关于
的不等式
在
上的解集非空,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f5096bfba36199064cc618a265a397.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0b6ca237b90b49a91d9d74d007efdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知函数
(a,b
R).
(1)当a=b=1时,求
的单调增区间;
(2)当a≠0时,若函数
恰有两个不同的零点,求
的值;
(3)当a=0时,若
的解集为(m,n),且(m,n)中有且仅有一个整数,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d1b45b61aa4b68923ce930999bf7258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
(1)当a=b=1时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)当a≠0时,若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f563f31a226905e5b38ca81078a1af35.png)
(3)当a=0时,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e1c4e6866ed05e7191defff7b0bedb.png)
您最近一年使用:0次
2019-01-29更新
|
1015次组卷
|
4卷引用:【市级联考】江苏省苏州市2019届高三上学期期末学业质量阳光指标调研数学试题
【市级联考】江苏省苏州市2019届高三上学期期末学业质量阳光指标调研数学试题江苏省苏州市高三2018-2019学年第一学期学业质量阳光指标调研卷数学I试题(已下线)专题02 导数及其应用-《巅峰冲刺2020年高考之二轮专项提升》(江苏)(已下线)专题34 盘点利用导数研究三次函数问题—备战2022年高考数学二轮复习常考点专题突破