名校
解题方法
1 . 已知
是定义在
上的奇函数.
(1)求实数m的值;
(2)判断
的单调性并用单调性定义证明;
(3)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289e87cc42cddb2a3043abfb9ae8288b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
(1)求实数m的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8d22c04275a27e56b466b31b8a3200.png)
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名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d95afec49bce34b4a897c89dc2a0fb.png)
(1)求
的值,使得函数
为奇函数;
(2)若
,为奇函数,判断函数
的单调性(不用证明);
(3)若
为奇函数,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d95afec49bce34b4a897c89dc2a0fb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d95afec49bce34b4a897c89dc2a0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d95afec49bce34b4a897c89dc2a0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa999d718aa8c2329ddcfde8c169b833.png)
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名校
3 . 已知二次函数
.
(1)若
,解不等式组:
;
(2)若
,对任意的
,证明:
中至少有一个非负.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37af69733901a820e1d2d83cc1384ac4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f44aa15764c330d6c90a82cd327208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19cfa2d3f1e8ebe0736a7276a78ebed7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455183093900df1ce215755e3094ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987272f9d4c4f683dadc2b8716ff38af.png)
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