已知函数
.
(1)讨论
的单调性;
(2)设
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60be0632373a9e69cba9fb4f524290c.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2698a5500308daa68bc4c38d5caab41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
2024高三·全国·专题练习 查看更多[1]
(已下线)专题8 导数与拐点偏移【讲】
更新时间:2024-05-26 23:18:33
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【推荐1】已知函数
.
(1)若函数
的图象在点
处的切线在
轴上的截距为
,求
;
(2)当
时,关于
的不等式
恒成立,求满足条件的实数
的最大整数值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007d5c8256eb35bfc880bfae5fb84881.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11c602dab8faa6f3c751ec9abe7a241.png)
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【推荐2】已知函数
,
.
(1)若函数
只有一个零点,求实数
的取值所构成的集合;
(2)已知
,若
,函数
的最小值为
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de31991e435bd7f80b8ac4f50b3f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc774a9ac8258cfc1b6f7f5378fb7406.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804125ef5ede01523a3f7d95a35f964b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51dedd7e4a202a2e078dfa7c6017c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b2ed621d7f11decf6432e43c3cc5ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c21c961479a9ac78f7c40cc7564fbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c21c961479a9ac78f7c40cc7564fbb2.png)
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【推荐3】已知函数
.
(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f8312a62fc5d9d88a01e4596bac214.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】已知函数
(
)在其定义域内有两个不同的极值点.
(1)求实数
的取值范围;
(2)记两个极值点分别为
,
(
),求证:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5124251b521fb2525f55b99ee9ff6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44aca6c00903b9dd306287ba3bb91035.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)记两个极值点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
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【推荐2】已知函数f(x)=ax-sinx.
(1)若a=1,证明:当x≥0时,f(x)≥0.
(2)已知函数
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.
(1)若a=1,证明:当x≥0时,f(x)≥0.
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d5993e8437d30bb40f9a248776add9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3dd95dc1475f973b1413e2dbd1f577.png)
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