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1 . 已知函数
.
(1)若
,求
在点
处的切线方程,并求函数的单调区间:
(2)若
在定义域
上的值域是
的子集,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef13030c733ca84463af61776fd01e5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 若斜率为1的直线
与曲线
和圆
都相切,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190b9ce555e91dc891a3e80fc776fd1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.3 | D.![]() |
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3 . 已知函数
的图象在
处的切线过点
.
(1)求
在
上的最小值;
(2)判断
在
内零点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c658fcc638032c851f306a7344633a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230b59c53740bcdd3ceca2cd9f860a7b.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aecfa6fa4f19b36faec90efba4fe2f7.png)
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2024-06-10更新
|
616次组卷
|
4卷引用:重庆市开州中学2023-2024学年高三下学期高考模拟考试数学试题(四)
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4 . 已知函数
(
为常数),则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3b8f26d1ccb93973ae89e1d6be3bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.当![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2024-06-08更新
|
669次组卷
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3卷引用:重庆市七校联盟2024届高三下学期三诊考试数学试题
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解题方法
5 . 设A,B,C,D为抛物线
上不同的四点,A,D关于该抛物线的对称轴对称,
平行于该抛物线在点D处的切线l.设点D到直线
和直线
的距离分别为
,
,已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bbe19f0e503b3126f409460288b8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb04cecda15f15130411851e4e41398d.png)
A.![]() | B.![]() | C.1 | D.![]() |
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2024-06-06更新
|
164次组卷
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3卷引用:重庆市重庆乌江新高考协作体2024届高三下学期模拟监测(三)数学试题
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc80f38b6d55c82cabe23189b34bd1c9.png)
(1)当
时,求
在点
处的切线方程;
(2)若
在区间
上单调递增,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc80f38b6d55c82cabe23189b34bd1c9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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7 . 已知圆
和抛物线
,F为抛物线C的焦点,若圆M与抛物线C在公共点P处有相同的切线l,且直线l的纵截距为
则实数p的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33310187e5735b2ded8d82bb78ccd888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b018f9658dfb68a30bd928e5d730045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8b380a1c7bc573f57f8bcb2fb8d1c2b.png)
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2024-06-04更新
|
320次组卷
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2卷引用:重庆市南开中学校2024届高三下学期第八次质量检测(5月模拟预测)数学试题
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解题方法
8 . 已知函数
在点
处的切线与直线
垂直.
(1)求
的值;
(2)求函数
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a72b1bcfd26ffd772ba3fbb63e02465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3586b8ed01c7f7b19c55e7687f8c2312.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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9 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a4dcb5fc289b6a4a4884888543b9dd.png)
(1)若
在
处的切线平行于x轴,求a的值;
(2)若
存在极值点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a4dcb5fc289b6a4a4884888543b9dd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
10 . 已知函数
.
(1)当
时,求函数
在点
处的切线方程;
(2)设函数
的极大值为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7037c3972fb840fbf6fd134319686d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1955cc79c55a97c989470f7df0d1d9c7.png)
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