解题方法
1 . 已知函数
.
(1)判断函数
的奇偶性;
(2)判断函数
的单调性(不必证明);
(3)若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb402b4847c5bc1caec9ff83958d06c.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9538ec6f8e471f91a50785dc38eeadab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2 . 已知
.
(1)求证:
;
(2)若
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077a31bd2b8e26c35bfd855e42b5d7a9.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1862e609668e42e0cd6f753c178eeea9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d499e8ca8a0c2c810507e34456181577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ca64e2ff48c3562312ebc331a4790d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d93c567736dc0f56e0da4101e298352.png)
您最近一年使用:0次
2019-09-20更新
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785次组卷
|
6卷引用:福建省三明市2019-2020学年高三(5月份)高考(理科)数学模拟试题