已知函数
,
.
(1)求不等式
的解集;
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255a5c136bef73f3bba4555cb0ebeb7e.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945b658d5becfc2301a98d321c1a3603.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e324ccd71b0f019b2806af06acdb38fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2755189667eeb6f6efa2cf4d97e54c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2021-08-17 12:45:57
|
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适中
(0.65)
名校
解题方法
【推荐1】已知函数
(
).
(1)当
时,判断函数
的奇偶性,并说明理由;
(2)当
时,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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适中
(0.65)
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【推荐2】已知
,
.
(1)当
时求
的最小值及相应的x值;
(2)若
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上是增函数,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d306e2ca2796143d012c0e970e86718a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f29d1775ccca38db5f7e8f7acddfbd36.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f29d1775ccca38db5f7e8f7acddfbd36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032e3d25c9f38a3cf745fed1ce3297be.png)
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解答题-问答题
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适中
(0.65)
【推荐1】已知
且
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在区间
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轴无交点,若“
”为真,“
” 为假,求实数
的取值范围.
![](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/dad2a36927223bd70f426ba06aea4b45.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429d9cd4fe4a885ac06831a7b8eb3dd9.png)
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适中
(0.65)
解题方法
【推荐2】已知
,设
:函数
在
内单调递减;
:二次函数
的图象与
轴交于不同的两点.如果
为假命题,
为真命题,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810949b76573ccd9d43af3815299d443.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c432d766e00136d770ab73f51cd19b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ba9507faa6aaad768f19a0ebdad5a9.png)
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知
.
(1)若
,求
的单调区间;
(2)若
且
,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cf266e5c03f85376c6a57ad524d0be.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fed1b3e3bd4f8cb6cdda095f1410f35.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)求函数
的定义域,并判断函数
的奇偶性;
(2)求使
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08c754dd8eab57582eae31a7fca9c14.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
您最近一年使用:0次