11-12高三上·安徽蚌埠·期中
1 . 函数
是R上的减函数,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99302300ec923efaa93010856e22c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . 已知
都是定义在
上的函数,
,若
,且
(
且
)及
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e04db31d54a054dd712e2995751b9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bad2ef2c39ab609e0505eac1a99522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7701de6dd5931b70515002344352da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/865fdf7bdb07583af57f1b55850e48cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-08-17更新
|
239次组卷
|
3卷引用:山东省潍坊市2016-2017学年高二下学期期末考试数学(理)试题
3 . 若方程
有解,则实数
的取值范围是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73094a3386418c4fdc87496049945be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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11-12高三上·浙江杭州·阶段练习
4 . 若
,
,且满足
,
,则 y 的最大值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ca92ed1a2ee46e23d33b6fbee3425b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081ce25fcca433a39e2d89b4dcf7bc82.png)
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解题方法
5 . 已知定义在(﹣1,+∞)上的函数
,若f(3﹣a2)>f(2a),则实数a取值范围为__________ .
![](https://img.xkw.com/dksih/QBM/2016/3/9/1572527911665664/1572527917490176/STEM/da418a6cf47142489181f54145eaa852.png?resizew=192)
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14-15高三上·上海静安·期末
6 . 当
时,函数
的值恒大于1,则实数
的取值范围是 ________ .
![](https://img.xkw.com/dksih/QBM/2014/3/12/1571556874289152/1571556879400960/STEM/01107237083a4221a2b8b11db1289cab.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2014/3/12/1571556874289152/1571556879400960/STEM/188dfcf5b76842d2a2cab5fb36910524.png?resizew=79)
![](https://img.xkw.com/dksih/QBM/2014/3/12/1571556874289152/1571556879400960/STEM/8d7a00ecfede474eaf9c3cde4708756d.png?resizew=13)
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2020高三·全国·专题练习
解题方法
7 . 已知函数
,若
,则实数
的取值范围________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/796ea116476ffeae53092ac62783d7e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32d0bf491408fe5fe1f85955b68c562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
8 . 已知函数
,则满足不等式
的实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ee415d3b88a2574b7b9814ff059806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32affbaf32551c10acc6ad0261e08727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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11-12高二上·广东揭阳·阶段练习
9 . 已知命题
关于
的函数
在[1,+∞)上是增函数,命题
关于
的函数
在R上为减函数,若
且
为真命题,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6131d019734ebeec4c815b179a5b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb89016e348b3b78e945426a0155a846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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