1 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
恰有三个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a3e1d9f785f24c0c39d74dbdb769d9.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/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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4卷引用:陕西省商洛市柞水中学2024届高三下学期高考模拟预测文科数学试题
陕西省商洛市柞水中学2024届高三下学期高考模拟预测文科数学试题广东省深圳市光明区光明中学2023-2024学年高二下学期期中考试数学试题广东省深圳市光明区高级中学2023-2024学年高三下学期5月模拟考试数学试题(已下线)专题09 导数与零点、不等式综合常考题型归类--高二期末考点大串讲(人教B版2019选择性必修第三册)
2 . 已知
,函数
的图象与
的图象在
上最多有两个公共点.则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0016c4338ebb60af080079885d43034c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b779207a097010b0ee4864b1e653ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65713c48e9847b892424ceee83b134f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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3 . 已知函数
,其中
为常数且
,
(1)当
时,求曲线
在点
处的切线方程,
(2)若函数
在区间
上有且只有一个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba34726226022b3356d5a7a2323b67a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd69684b91e09f501685cb6672c19ea.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a8b597825ec5cc308ca3450676c1e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94a8d21fec01cd2f2cf3b1f62eb6515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 已知函数
若
且
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfba16d9cbcc863500f42ed5edcadab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
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解题方法
5 . 如图,
为圆锥
的底面圆
的直径,点
是圆
上异于
,
的动点,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfb3740ec54bf3ccc02785f273023ca.png)
A.圆锥![]() ![]() |
B.三棱锥![]() ![]() |
C.![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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6 . 已知函数
.
(1)当
时,求
的零点个数;
(2)已知函数
,若
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/375c058f6f8b64b7039cd133176f04c5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ffcc01616043a2077c48a3dec321b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29699420416d7904deda488511f03f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04bd9759565e4cd93839a2ce2b31b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知函数
,
,若关于
的方程
有两个不等实根
,且
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba052542ba06cf22818710941733732f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb4df9e51db0166f5a3c29e851f525c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd64906e52eba2dc956a651969d4912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c54705d32dc6820f1a90eec2225dcf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知关于
的方程
且
有两个不等实根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efc68a2b39cca953a09b3a92807f6da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知函数
.
(1)求函数
的单调区间;
(2)当
时,若函数
和
的图象在
上有交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668df31c8c0a1bed48092980dc3b5d73.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2060553f974308cd4d288ac4bc200da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a87c4ca0924f47198d793771832ae57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-04-29更新
|
576次组卷
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2卷引用:陕西省商洛市2024届高三第四次模拟检测数学(理科)试题
名校
解题方法
10 . 已知
,对任意的
,不等式
恒成立,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b4adf816d4deeb87d89d7f5fc9430d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-07更新
|
780次组卷
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4卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题
陕西省商洛市2024届高三第四次模拟检测数学(文科)试题陕西省商洛市2024届高三第四次模拟检测数学(理科)试题江苏省常州高级中学2023-2024学年高二下学期期中质量检查数学试题(已下线)专题6 指数、对数同构问题【讲】(高二期末压轴专项)