名校
解题方法
1 . 已知函数
.
(1)求不等式
的解集;
(2)若直线
与
的图象所围成的三角形的面积为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eebdae2dcdc7685152004165768b732f.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b45f8224a638bb503ccb01749cfeb1.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae077b198c3e6a891ca7c5eb6d53482a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7163395f9aaa29be7f6b3106ba48b744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
解题方法
2 . 已知函数
的最小值是
.
(1)求
的值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b6c6897ea1463e25c6e25d5120c50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26a9cd5393e7818121a7436783065c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12aa95f3db3a2b0d20f200c9a8b36959.png)
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解题方法
3 . 已知函数
的最小值是m.
(1)求m的值;
(2)若
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7b2dc826e500e362c22ddb6bfb39c8.png)
(1)求m的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054d00a127a585f7401a05d5351c6e37.png)
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名校
4 . 已知函数
.
的图象,并求
的解集;
(2)
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6016b994cb131e20bb9b2b2d30e7130a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0746f6d7da0d54296692b8ede9330e19.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d794c3af7140c07ef04547cdd0be19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025fa762ba884166c5c50008f85df334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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解题方法
5 . 已知
,且
,函数
的最小值为2.
(1)求
的值;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d9177663a08a8fd71714677b17e320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1719ba5d0a37f3b6961bd647c8d6dc36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9c59a56a016b9ac7df84df34bae529.png)
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2024-05-02更新
|
369次组卷
|
2卷引用:四川省绵阳市高中2024届高三第三次诊断性考试理科数学试卷
名校
6 . 已知函数
,其中
.
(1)当
时,求不等式
的解集;
(2)若对任意的
恒成立时m的最小值为t,且正实数a,b满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2379c1c2d0e095625f77f7883003df7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975af98526d943ccd1ab7b9f0e022374.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/624070d66d05a0f5244648e5d1cffe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0fd3296a0ecf275a161134518dba8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b0e403c5f00d0357d3fa30d6c2717c.png)
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2024-04-16更新
|
337次组卷
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3卷引用:四川省绵阳市三台中学校2024届高三下学期第一次仿真测试理科数学试题
名校
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02c0712e98905911876bc7057110839.png)
(1)求不等式
的解集
;
(2)设
的最小数为
,正数
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02c0712e98905911876bc7057110839.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022164f96347242da9528a8251dbe87c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421430623fadb23013d80f86bf55015b.png)
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2024-03-09更新
|
585次组卷
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5卷引用:四川省绵阳市三台中学校2024届高三下学期三诊模拟数学(文)试题
名校
8 . 设
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce77884d2961257f34c411bb721081f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . (1)已知a,b,x,y均为正数,求证:
并指出等号成立的条件;
(2)利用(1)的结论,求函数
的最大值,并指出取最大值时x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7381cf2d8df0ec7f569046d580d40a1f.png)
(2)利用(1)的结论,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b13d632379fbe54d0c957d1d14329e.png)
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2024-01-13更新
|
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|
4卷引用:四川省绵阳市2024届高三二模数学(理)试题
2024·全国·模拟预测
名校
解题方法
10 . 已知函数
的最小值为
.
(1)求
的值;
(2)若
,
且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e090b6e9772e67f536771c022a777c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca27cc54ca0332245f5167488daa3408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b68c0d49e3cd6109fa6511cd4b48b7.png)
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