解题方法
1 . 设函数
(a,b为常数且
),
且
的最小值为0,当
时,
,且
为R上的奇函数.
(1)求函数
的解析式;
(2)
,有
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d8d728731ffcc53b6ab551a5f5334e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcef60e5d4f3b49a3c6e2507e8998439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1275f567f4313471df4daad443743f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4386c5b1b9f6e4697140c77ad56b271b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0658ccf069e1915da8340a797788acf4.png)
您最近一年使用:0次
解题方法
2 . 已知函数
,其中
.
(I)若
,且
时,
的最小值是
,求实数
的值;
(II)若
,
,且
时,
恒成立,求实数
的取值范围;
(III)若
,
,
,函数
在区间
上的最大值与最小值的差不大于
,求正数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e23eb1a8277830d38ac95bb18b85ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f78fd56add6788e7308fe23792749f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315dfde04472db49d8c28bd77c5c72c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(II)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315dfde04472db49d8c28bd77c5c72c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(III)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db33d0946b251f382f2d3ec95eb8f0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f4b925a370e94cb659311cde329276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82dca4a0e082b5cbdb1beb6f4d1e2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
3 . (1)已知
对于任意
恒成立,解关于
的不等式
;
(2)关于
的方程
的解集中只含有一个元素,当
时,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860853c6b6a2472eed48c6a82efecd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28b62727a50c289fcbe501177230e62.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af76e6a59ad6a86f8a9ed51b978f20a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a4eaa80b44625890339d6a0065c241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6372b2cd2642f664f8bad37f086535b.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
,对任意a,
恒有
,且当
时,有
.
Ⅰ
求
;
Ⅱ
求证:
在R上为增函数;
Ⅲ
若关于x的不等式
对于任意
恒成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ab39f22cd2a6081356f2532c1d0095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c62e8677ea5b1613cd4d15dc5ebe0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f019ced15fee01049607a897aae83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f8ea426c5c889a0486ce554a4a438a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbd0cca5ac040e300930067f5765fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bef5d5f5e55c4ac836ba04284b3c2b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0632d6e3f3462ae16dbff9050f74da.png)
您最近一年使用:0次
2019-01-20更新
|
3668次组卷
|
6卷引用:【市级联考】辽宁省沈阳市2018-2019学年高一期末数学试题