已知函数
,
.
(1)设
,试讨论
在定义域内的单调性;
(2)若函数
的图像恒在函数
图像的上方,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73454188cf9d17713be60ecb20c89289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066e12d4075f394c169c0a3d5bea1237.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
2019·河南郑州·一模 查看更多[3]
【市级联考】河南省郑州市2019届高中毕业年级第一次(1月)质量预测数学文试题(已下线)专题3.3 函数与导数的综合应用(精测)-2021届高考数学(理)一轮复习讲练测广西玉林市第十一中学2020-2021学年高二下学期期末数学(理)试题
更新时间:2019-01-12 20:07:39
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【推荐1】已知函数
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(1)当
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(2)设
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(0.15)
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca586f17f309a2923d9d1827b8b0c24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(1)讨论函数
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(2)若关于x的不等式
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b21e060ee69a637932db0af8052c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5220c1d29955df47343122a463c46a92.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5220c1d29955df47343122a463c46a92.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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(2)当
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