解题方法
1 . 设
(a为实常数),
与
的图像关于y轴对称.
(1)若函数
为奇函数,求a的取值;
(2)当a=0时,若关于x的方程
有两个不等实根,求m的范围;
(3)当|a|<1时,求方程
的实数根个数,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b9b42638033a93f26cbf4fd89b76ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae905f856b26183ebe83225350df5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110c8d90cd5808b83431c72cdb1976e0.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495d1f17eec7fe720a8fd8840822f55e.png)
(2)当a=0时,若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9405eb72b163ac2b712231899fe398d.png)
(3)当|a|<1时,求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4603bbe40ed845c0fba5dea69053d305.png)
您最近一年使用:0次
2 . 已知函数f(x)=x2
.
(1)证明:函数f(x)在(0,
)上单调递减,在
+∞)上单调递增;
(2)讨论函数g(x)=4x3﹣4ax+1在区间(0,1)上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1bcc88ed226d653d9f7d6a7cbad06de.png)
(1)证明:函数f(x)在(0,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c284cd220aa5dafcc277c47f7cc081a.png)
(2)讨论函数g(x)=4x3﹣4ax+1在区间(0,1)上的零点个数.
您最近一年使用:0次
2020-01-10更新
|
186次组卷
|
2卷引用:安徽省蚌埠市2018-2019学年高一上学期期末数学试题
解题方法
3 . 已知指数函数
,函数
与
的图像关于
对称,
.
(1)若
,
,证明:
为
上的增函数;
(2)若
,
,判断
的零点个数(直接给出结论,不必说明理由或证明);
(3)若
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7286bb4ffa69c18a6a88318ccb7cfac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1524b3f629e0176586efb4ea437d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f020b42f932e665faa105ca846623162.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751afe327bd2cd6e0d2336556ee5aded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e369f7ec9b4bb6ef0dcf52783263369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b379e7fac207d9009680e323ff0a9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9af6b8933cb0bcc983a15c903b5892e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e890190f9124e29a7ab8cb192686f6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca46b44c12629ce267dc6854d76105f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb71d0371fd8c9ff7d7ae95c4da20fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e0a760922b83bc49d6c22372b00777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-01-26更新
|
474次组卷
|
2卷引用:【校级联考】安徽省宿州市十三所重点中学2018-2019学年高一第一学期期末质量检测数学试题