已知函数
,其中
.
(1)当
,
,
时,函数
在
上有两个零点,求
的范围;
(2)当
,
时,若函数
图象的相邻两条对称轴之间的距离等于
,求函数
的解析式,并求最小正实数
,使得函数
的图象向左平移
个单位长度所对应的函数是奇函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821c4be6132e77786d55f189ebb52f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab12359ab934c34ef538d26ba946001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9cccbf4f8bc4733397c45465de7bcff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd1017814e9883c21b17e43703a7272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab12359ab934c34ef538d26ba946001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d437140d9efb7165512a2c798dabffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
更新时间:2021-01-30 23:12:28
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相似题推荐
解答题-问答题
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【推荐1】已知函数
,其中
.
(1)当a为何值时,
为偶函数?
(2)当a为何值时,
为奇函数?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbeed9f68fd9153efb5ee072bcf7278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当a为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当a为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】设常数
,函数
.
(1)若
为偶函数,求a的值;
(2)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fea6a773a3a30096506945b429fe2eb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8064907ba1eed1969862775f86a2d121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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解答题-作图题
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名校
【推荐3】已知函数
(其中
,
,
)的图象过点
,且图象上与点
最近的一个最低点的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/27/cf58cc42-a9e3-42e5-8074-00da0ddfd499.png?resizew=180)
(1)求函数
的解析式并用“五点法”作出函数在一个周期内的图象简图;
(2)将函数
的图象向右平移
个单位长度得到的函数
是偶函数,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56db086f4a38e0c7024110e38e97298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c9e46448bc791c441ca02d8f4508eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2414c4ab8f673b210a0cbfb493d5381e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ec57cc09b5cd1b40a986ea2fdc7e3a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/27/cf58cc42-a9e3-42e5-8074-00da0ddfd499.png?resizew=180)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93a232c88870d213a7b74a796a1ff4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐1】已知函数
在
递增,在
递减.
(1)求
;
(2)函数
的图象向右平移
得函数
的图象,若方程
在
上有实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232321f15f6833333e719e893d808ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3b7a82459cef78caef0e9b55fbe470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6539638d9b52ac38677ed4f26d4f42b5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43581a0fcaa9b0861cd8d033d450d37.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22eed062071b0acd998db1636d56133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐2】如图所示是
,
在一个周期内的图象,根据图中数据求
的解析式;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3800e2f4bf5a843627c331ebc12fe3a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c9e46448bc791c441ca02d8f4508eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e5dbc7a00e0693597b4093957081a0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/30/40e59f69-44c4-49ba-9c52-012b69dfbe63.png?resizew=200)
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【推荐1】已知函数
(
,
)的图象关于直线
对称,且两相邻对称中心之间的距离为
.
(Ⅰ)求函数
的单调递增区间;
(Ⅱ)若
时,函数
有两个不同的零点
,
,求b的取值范围及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228ab5f3c47f04736e73df3b0241ecf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a297d9b18487cde772be5c7d2676b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908e3b4e523c042732ccb7c215aac99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477735c5c78c01b94f8c24f178614b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
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【推荐2】已知函数
,
是函数
的对称轴,且
在区间
上单调.
(1)从条件①、条件②、条件③中选一个作为已知,使得
的解析式存在,并求出其解析式;
条件①:函数
的图象经过点
;
条件②:
是
的对称中心;
条件③:
是
的对称中心.
(2)根据(1)中确定的
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b213d4a3e12b07ef1600848990060f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab10d3579d1e7199bd3ae9f9cd8672c.png)
(1)从条件①、条件②、条件③中选一个作为已知,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
条件①:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62f772c3845894acb33c695f4e235fbc.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa0082eaec44556e43a4a987c8e01e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ceb752a3c116b78b851a150ee613070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)根据(1)中确定的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da71f46a14244bcff4a96b18f65c4c9f.png)
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解题方法
【推荐1】已知函数
.
(1)求函数
的最小正周期;
(2)将函数
的图象上的各点________;得到函数
的图象,当
时,方程
有解,求实数
的取值范围.
在①、②中选择一个,补在(2)中的横线上,并加以解答.
①向左平移
个单位,再保持纵坐标不变横坐标缩小为原来的一半;
②纵坐标保持不变横坐标缩小为原来的一半,再向右平移
个单位.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741dc678603d77dca1d0db09a56ca382.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfeb726c3854090ebfcb7033076b0f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5639aa1f6b98003e04afb9da10221e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
在①、②中选择一个,补在(2)中的横线上,并加以解答.
①向左平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953b78787e8b2454510bedbfa14b7167.png)
②纵坐标保持不变横坐标缩小为原来的一半,再向右平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cec0d75a9b9fcefa2b5094a8abae52f.png)
的部分图象如图所示.
、
分别是图象上的一个最高点和最低点,
为图象与
轴的交点,且四边形
为矩形.
![](https://img.xkw.com/dksih/QBM/2014/12/16/1571925205237760/1571925211004928/STEM/914022e8da7a4f56b2cba988fc7d2a50.png)
(Ⅰ)求
的解析式;
(Ⅱ)将
的图象向右平移
个单位长度后,得到函数
的图象.已知
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cec0d75a9b9fcefa2b5094a8abae52f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf51c6b003b1b1d231737c965fa697eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bb91cbe748b4a367d568d53db52b77.png)
![](https://img.xkw.com/dksih/QBM/2014/12/16/1571925205237760/1571925211004928/STEM/914022e8da7a4f56b2cba988fc7d2a50.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c8c68ba856b1939643f8a7158fa860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782e75ba5c0648f0b095f1cb2395020b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ed59c2f306ae46a43bd56262b12092.png)
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【推荐3】已知向量
,
,函数
.
(1)求
的最小正周期以及单调递增区间;
(2)将
的图象向左平移
单位后得到
的图象,当
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7dbe35b4203e63f7ad7b13720cc3d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c1c8e38ceb2ac8be42b7b71020304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c4b2221e87efcc36fdff2cfbef6f86.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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