已知函数
.
(1)求
的单调区间;
(2)(i)写出一个二次函数
满足
,且当
时,
,当
时,
,并说明理由;
(ii)设
,若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19815447dbb65c5106ec6cd203e6b9a8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)(i)写出一个二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a455b9a80c9251eeecb9cbedcdd1c085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
(ii)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
2022·河南·模拟预测 查看更多[3]
河南省百所名校2022届全国高三第二次学业质量联合检测(乙卷)理科数学试题(已下线)思想04 化归与转化思想(练)--第三篇 思想方法篇-《2022年高考数学二轮复习讲练测(浙江专用)》(已下线)思想04 化归与转化思想(练)--第三篇 思想方法篇-《2022年高考数学二轮复习讲练测(新高考·全国卷)》
更新时间:2022-03-05 23:56:29
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