已知函数
(
且
)
(1)若
,求
的值;
(2)若
在区间
上的最大值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91fca3eab19fb7b66e161de3a7eb7d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57457379efecec3a8f98377bc5c65d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-12-20 13:41:06
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】设
,函数
.
(1)若
,求
的反函数
;
(2)求函数
的最大值(用
表示);
(3)设
,若对任意
,
恒成立,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1fc65daaa6ca13eb8e7f03cd5ce0ed.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5cb0dfb36f69c26f6f96b029db1f4c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacc1483d7de56815abdba1b97a6377b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e6639114ec2cfb4b928c9187aa59a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b518acafa6f7ceb4d44330691e751017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐2】设a为实数,已知函数
为偶函数.
(1)求a的值;
(2)判断
在区间
上的单调性,并加以证明;
(3)已知
为实数,存在实数m,n满足
,当函数
的定义域为
时,函数
的值域恰好为
,求所有符合条件的
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ab23440a4962733cb14cc1ab07b8be.png)
(1)求a的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60143ef7bdfa6f4541de251406c10bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4c90c2024b19757f3d2b7c08e16bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3226ea4afa0fecece17fa71c7e8cb039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】一片森林面积为
,计划每年砍伐一批木材,每年砍伐的百分比相等,则砍伐到面积一半时,所用时间是
年,为保护生态环境,森林面积至少要保留原面积的
,已知到今年为止,森林剩余的面积为原来的
.
(1)到今年为止,该森林已砍伐了多少年?
(2)今后还能砍伐多少年?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)到今年为止,该森林已砍伐了多少年?
(2)今后还能砍伐多少年?
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】设数列
的前n项和为
,满足
.
(1)求数列
的通项公式
;
(2)记
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8370a173854471a3eb27637993a3d5d.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c58fd95a0f3d0c5e0bd3e6b28deb969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7c561d49be978dafe36601ba26f536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.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】已知函数
,其中
.
(1)求函数
的定义域,并判断函数的奇偶性;
(2)若函数
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f956824fd36dae23b58c81bffd2bf04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.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)
名校
解题方法
【推荐2】已知
,且
,若函数
在区间[a,2a]上的最大值与最小值之差为1.
(1)求a的值;
(2)解不等式
;
(3)求函数
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810949b76573ccd9d43af3815299d443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c9c7720dcd3ad8697bc2f8f0467dfd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a04546d92fd165fc1ad2cc82c2dbb25.png)
(1)求a的值;
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80111b434a120e55f0de251943a736c.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48abc904f80ded80f590976db3ad7d4.png)
您最近一年使用:0次