1 . (1)函数
,已知
,函数
是偶函数,求
的值;
(2)函数
(
)的最大值是
,最小值是
,求函数
的最小正周期.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687593cb4ecef31667bf2320fdfe000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bd73cec86ac5fec7ed27f7ad279c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f967cd06061be2540a4d70efeb3a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69d9c8bb4ee13e775e9a69b48f2cf33.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)求
的单调递增区间;
(2)若
在区间
上的值域为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dac35cbb6e862bfd1e0e30989ac071.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da3703048188247f41c377c217c0e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a280add7609a6387619846aa15171068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
3 . 已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0267653cae0ad9ef230c331006d70d.png)
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b68beacb47b1623eb65a98d25f52f2d.png)
(1)当
时,求
及
的值;
(2)若函数
的最小值是
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0267653cae0ad9ef230c331006d70d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6a020591745c760b4190f08b9a1fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b68beacb47b1623eb65a98d25f52f2d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce84639e780b0fb6a02bb700925ef7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5fa3de8948f50d1ce79822ff88aa91.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2120df02738855615fcbe4298bd6a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2019-10-22更新
|
537次组卷
|
2卷引用:山东省济南市2018-2019学年高一下学期期末学习质量评估数学试题
名校
4 . 已知函数
.
(1)若函数
的最大值是最小值的
倍,求实数
的值;
(2)若函数
存在零点,求函数的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a498a53ba8b21023903039851a530c8.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2019-06-12更新
|
359次组卷
|
2卷引用:【校级联考】河南省南阳市六校2018-2019学年高一第二次联考数学试题
11-12高一上·吉林长春·阶段练习
5 . 已知函数
的最大值为
,最小值为
,求函数
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85238685245161754b1f6a3affb89bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1639862a5d32c6011efa00eed64f6465.png)
您最近一年使用:0次