已知函数
.
(1)当
时,判断并证明函数
的奇偶性;
(2)设
.
①求实数
的取值范围,并将
表示为
的函数
;
②若
,均有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a112a836edecc170390ec691bb05d6c8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4dd3e185b6ccfb2f25fa48acff4ee11.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7f2ebf81aa973a0eadc92ba6e9be85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f559f16d630ed917be447402cd35c0df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-12-17 15:35:52
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知函数
.
(1)当
时,判断
的奇偶性,并给出证明;
(2)当
时,若
对任意正实数
都成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2090c820debc984abc4d43ed4daf3ada.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13541d0b4e82a356e200123d680d971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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】已知函数
(
且
).
(1)试判断函数
的奇偶性;
(2)当
时,求函数
的值域;
(3)已知
,若
,
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703f90436ea5d6762803704cedcc3b5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34de97f964d1c9f0d2421c24f219208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999d8d1d7ee532e54f3a40a08f91fc3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73345c5c8b73051854f309e0af05068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895b9be5907b668e18604290d2e7c903.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1】判断下列函数的奇偶性,并说明理由.
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126108a91afba5f922bfee4a3e5bbf55.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb38d0ee7d2261dca146c39a7d5202bb.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab16eca073f07fbbc10fb3039497041.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c793183ec51b2304e5f3eb0e422a15.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
为偶函数.
(1)求
的值;
(2)设函数
,是否存在实数
,使得函数
在区间
上的最小值为
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2752a69a0334eec130c581c58e04cb7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70bf81aac48f715c7cdcfce8d5028dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f5831141885a3b9726fcad174de888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知函数
在区间
上有最大值
和最小值
.
(1)求
;
(2)
,若不等式
在
上恒成立,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81dc73f0246e8555678221636aab594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6bfefa5b41faae17987876d570685d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de1aed49561c819fb91058bb586f17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fd53fb8780a2bd9e451a92c7c92d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a11b8a2fc710d26c89953d4d3a4eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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】已知
,
,
,将曲线
的图象向右平移
得到函数
的图象.
(1)若
,
,求
的值;
(2)若不等式
对任意
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96771cc77c134a024a98a9822a72179e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485e5792038778d8c14701367d071927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c829bd0c10b8e435bf62f2d16128e519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735a8486ea59abb08a19a64484ff001b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8af5297c9949914aceb44d6b1df814c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511366b3d52171408900f2f77bfeb372.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd40dcaf2f7349e0f728343a8a08302b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】设
的内角
,
,
的对边分别为
,
,
,
,且
为钝角. (1)证明:
; (2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4411d1fbc9d0ab49db36a9e71c536fbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28956ebf0ebd38adb583b9970f9f8c6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0577566dbcc526fb6f783491a4784902.png)
您最近一年使用:0次