已知函数
,常数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)已知
,若
的定义域关于原点对称,求实数
的值;
(2)当
时,判断
在区间
上的单调性,并利用定义证明您的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2476a8ea0b6d2183d3198f00436fdd1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff33b4b5897c2736e3d237f0ab1afdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
20-21高一上·上海奉贤·阶段练习 查看更多[2]
上海市奉城高级中学2020-2021学年高一上学期12月月考数学试题(已下线)第19讲 函数的基本性质-单调性-【A+课堂】2021-2022学年高一数学同步精讲精练(沪教版2020必修第一册)
更新时间:2020-12-16 09:27:39
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解答题-问答题
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【推荐1】已知函数
(其中
为常数),且
.
(1)求
的值;
(2)判断并利用定义证明函数的奇偶性;
(3)若不等式
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf726b9b3de27090e83a9b31e794330a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d192c5869aaefe00beca0a76100591.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断并利用定义证明函数的奇偶性;
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9875c8a857b5b7a30e4d357d5ae715a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
【推荐1】已知函数
,判断函数
的奇偶性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02a4b4cea1e5ab7d49126372b200c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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(0.85)
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解题方法
【推荐2】设函数
的定义域为
,集合
.
(1)求集合
;
(2)若
:
,
:
,且
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4e6643d7641d52604dd464334c340b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafdc2969e97cb5dc6732c40db0b9ba2.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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【推荐3】判断函数
(
且
)的奇偶性,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0672ec291f502c86e1a0e6589bcc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
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解答题-证明题
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解题方法
【推荐1】求证:函数
在区间
上是增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac4654dd6b6dca4b27aa371080e2df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
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【推荐2】判断及证明函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee916722bf805d52412e5bc3836daada.png)
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