名校
1 . 已知函数
.
(1)若
,求导函数曲线
与直线
,
及
轴所围成的面积;
(2)求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3dc332cf4f19369ea7dcde21555b52.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d502d9d892310a0d19dd1dd1675991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c81965854dbe52a513241f196edf2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1206d6b028e6978e8e4dc786cc708074.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 曲线
,直线x=1以及坐标轴所围成的平面图形绕x轴旋转一周所得旋转体的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf2eba6a3b353cd10cc286e63ca5c7f.png)
A.![]() | B.![]() | C.2![]() | D.![]() |
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4 . 已知函数
,则
=_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55bf1cfef844c4dd75a577a88aa7e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a7071f7c037e49143428629f538547.png)
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解题方法
5 . 设直线
与
轴交于点
,与曲线
交于点
,
为原点,记线段
,
及曲线
围成的区域为
.在
内随机取一个点
,已知点
取在
内的概率等于
,则图中阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/2021/4/17/2701579553603584/2704669508255744/STEM/94ba75b043f840bea27e4d6f410e4c4c.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://img.xkw.com/dksih/QBM/2021/4/17/2701579553603584/2704669508255744/STEM/94ba75b043f840bea27e4d6f410e4c4c.png?resizew=189)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 .
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cef710a8cb97ddd85fdc1aa5ea78e11.png)
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解题方法
7 . 如图,已知点
与反比例函数
,在正方形
内随机取一点
,则点
取自图中阴影部分的概率为( )
![](https://img.xkw.com/dksih/QBM/2020/3/18/2422016557981696/2423111657938944/STEM/a95a37efa885482398620e009473f9d2.png?resizew=231)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f54dd475ff1321041c80738b201c3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ca6d348c4c0f53eb995246e1cb5ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2020/3/18/2422016557981696/2423111657938944/STEM/a95a37efa885482398620e009473f9d2.png?resizew=231)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 如图所示,平面直角坐标系
中,阴影部分是由抛物线
及线段
围成的封闭图形,现在在
内随机的取一点
,则点
恰好落在阴影内的概率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c3f08e1a-a840-4c69-aab1-38e91a0bd8b8.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c3f08e1a-a840-4c69-aab1-38e91a0bd8b8.png?resizew=134)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 设函数
的图象上一点
处的切线
与
的图象的另一交点为
.
(1)确定点
的坐标;
(2)求函数
与切线
围成的封闭图形面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81158db42116f74e7b26e100f88dd535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)确定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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10 . 由曲线
,直线
所围成的封闭图形的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8953ded144195804384dcb494d5e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
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