已知函数
,其中
为常数;
(1)当
时,解不等式
;
(2)当
时,求函数
在
上的值域;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be762800518159b7ec50d3ee1eb8a0d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6c4782b2114209b906b06f284ab720.png)
更新时间:2020-03-03 23:10:42
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知函数
.
(1)设
,试比较
,
的大小,并说明理由;
(2)若集合
,求函数
,
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfee2c4efc91317d8e0ade4c839d863.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a6f362a7f8f972d6b329a882e940d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4889b4b46d3cd6dd677d200bdf4914fe.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244788714662a861dcec1edab10c99d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e903a485494fac44516d0b72bbf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】(1)已知二次函数
满足
,且
.求
的解析式;
(2)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f7b34e3ac52f8e608f1c04adc5d6fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f0566abde033c068e23b3a004ab573.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知全集
,集合
,______.
在下面三个条件中任选一个,补充在上面的已知条件中并作答:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625de26e983aa63d2c458a60f0750ae0.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03843182a0ff35adfda2fc2042d74b82.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d588447421651b0cf224841b38065044.png)
(1)当
时,求
;
(2)当
时,“
”是“
”的充分不必要条件,求实数
的取值范围.
注:如果选择多个条件分别作答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82adb60c18eef82c7a60dc86eb4e952b.png)
在下面三个条件中任选一个,补充在上面的已知条件中并作答:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625de26e983aa63d2c458a60f0750ae0.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03843182a0ff35adfda2fc2042d74b82.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d588447421651b0cf224841b38065044.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
注:如果选择多个条件分别作答,按第一个解答计分.
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐1】求证:二次函数
可以表示为两个在
上严格增的多项式函数的差.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a43b43650ed3473888a95607908644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】设函数
,
,(
,且
)
(1)当
时,且有
,求解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8a3f280452abfa76c734e7fa06a109.png)
(2)判断是否存在大于1的实数
,使得对任意
,都有
,满足等式
,且满足该等式的常数
的取值唯一?若存在,求出所有
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84518e68c9e73dee93a8a3cafce4d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbe7e3f8351ffaf56c0e03be8b04447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dea0d6927bf78c5b0e788cd76531062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8a3f280452abfa76c734e7fa06a109.png)
(2)判断是否存在大于1的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15259557151ab2588a840f814383d484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cdc0de98ecd552516094edf7579cde1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc92c708205af9ce418e2758036cc17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐3】已知函数
是定义在
上的偶函数,且
.
(1)求
的值;
(2)求使
成立的实数
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895faeee1010f693fa376ccca28c42bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b6c58f9bcbbcf99ba037e3bd4497a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e547a92f0b118d687d1804c83e6a441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次