已知函数
(
常数
)
(1)当
时,解关于
的不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af7267fa641fe998666f090bac90f6e.png)
(2)讨论函数
的奇偶性,并说明理由;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b15ebe414d00951198268ca531449c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f6376354865d8699989ccee1c885fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42acea836df9ca7c237b52df778c21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b40fc41dac3987acaa766db9a15ad5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af7267fa641fe998666f090bac90f6e.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2020-01-16 10:53:41
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数对
一切实数
都有
,且当
时,
,又
.
(1)判断该函数的奇偶性并说明理由;、
(2)试判断该函数在
上的单调性;
(3)求
在区间
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee0f61ce98eccacae2dd9f15dd43a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fde71807463dbdfd8fce1655a5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030805eebb5ad0a065f93bd6f652f687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5820dabf2ba07024e39bf47dd909e3f6.png)
(1)判断该函数的奇偶性并说明理由;、
(2)试判断该函数在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aba852ff8535863b48b7b4b78a6c403.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】已知定义在R上的函数f(x)对任意实数x、y恒有f(x)+f(y)=f(x+y),且当x>0时,f(x)<0,又f(1)=-
.
(1)求证:f(x)为奇函数;
(2)求证:f(x)在R上是减函数;
(3)求f(x)在[-3,6]上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
(1)求证:f(x)为奇函数;
(2)求证:f(x)在R上是减函数;
(3)求f(x)在[-3,6]上的最大值与最小值.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知集合
,
,
,若“
”是“
”的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49eecbeabf2cc44985e0237c6951112c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b92eec196f006aab95162f034997bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4833bc30b0d1ce601f77280f28acb3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.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)
【推荐2】解下列不等式:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
;
(7)
;
(8)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f0c60e93ba31928ffbbd7c889165f44.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7a08ff6fe8799aa0d86c4d7d2a760a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0485c5bee8059258004a5f3a449ed7ce.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2014c4e962c54c70ea38c75aee49aa3c.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e6774bb450bfd1eb09a2643f01f7f.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f9b26015ef45b2df7d92436df6e33b.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e894fb173c49c7ae5c7beb75303f17dd.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83bab6043bce2a383a6d39a9336ba1b.png)
您最近一年使用:0次