名校
1 . 函数
的部分图象如图所示.
的图象的对称中心;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4888e71eb482bad8102bcdaab6ef2eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8af5297c9949914aceb44d6b1df814c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6c553e3698ff5ed19800ab21204664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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名校
解题方法
2 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4690a46dce144f1a1fe565e14df009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21cf114cc62f12c4b1aba787f7dad3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499c00595e23fe1eb3016bace4f0c8be.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知函数
的部分图象如图所示,则函数
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a822496a635208fa99fdf6140272bc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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5 . 设函数
的图象关于原点对称,且相邻对称轴之间的距离为
则函数
的单调增区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb57b67b60a610525e508d04fb7423e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e3c308097638963f78a85e6f0db299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f0bdf14961884c43075f449b9a0f6f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 已知复数
,其中
,
是虚数单位.
(1)若
,求
与
的值.
(2)设复数
在复平面上对应向量分别为
,若
且
,求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1420b03848698758025889719615a4d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cefc726333eac41456b3a2e0f61a9e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b196d2aa5d75732abd06e07ec69e65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5cdedb6f4384fda29fb4508ba6fcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbf8cf890e1bab18f37152ef5da7dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a49389cacef6b5b8c536eb8c51d087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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7 . 若函数
有
个零点,则正数
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6944834eab309975c67bb655e3ba4df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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8 . 设
,
是两个非零向量,则下列描述正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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解题方法
9 . 已知
为第一象限角,
为第二象限角,且
,
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9eb14cda08256a38003a2f368a2f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d7f48e2a1fb6687bd6ea84d249915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fee7e2969987222954a10a03d200c03.png)
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10 . 已知函数
的部分图象如图所示.
的解析式;
(2)求函数在区间
上的最大值和最小值以及对应的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8958a4b164d0c948463dbe9493f3b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求函数在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05cc9d225229bad9e7e43ba3a324fd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次