名校
1 . 已知函数
的部分图象如图所示下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabc46b4c77ed40e1fdf1df623961fee.png)
A.![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.若对于任意![]() ![]() ![]() ![]() |
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2 . 已知
,则下列结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441c0a75eee57c60e6831138ce9aac32.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 下列说法不正确的是( )
A.函数![]() ![]() |
B.函数![]() ![]() ![]() |
C.若![]() ![]() |
D.函数![]() ![]() |
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4 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212b6a14e1ed6a4168778f44c05a49aa.png)
(1)化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
(2)若
,且
,求
的值.
(3)若
是第三象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212b6a14e1ed6a4168778f44c05a49aa.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2fc88cb139f6353cc047eb21547bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3299b21e382a636eb29f5a436bb363f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8466f82bce73bcc59604cad0769d5d27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33f0449855a5f76bf061b24ea3c2433.png)
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5 . (1)已知
.求
的值.
(2)求函数
的最大值和最小值,并求出取得最大值和最小值时
的值,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7f568b23147ae44daecc83544bc2fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53c3108aff6cfb02e340d621efbf1fe.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c4df86ac7182322958f520fb0b03f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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6 . 将函数
的图象向下平移1个单位,得到
的图象,若
,其中
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1127135abfede8854f824a394136997f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8fb35af54775e110a3b9b20444e2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e660a04fadbf5aa1f34116f700317d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1709a9b91740b8570a2c5df36960b0.png)
A.![]() | B.9 | C.![]() | D.3 |
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7 . 已知
是函数
的图象与直线
的两个交点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a38a93c0d119bac468dbd148d0ea4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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8 . 在平面直角坐标系中,角
的顶点为坐标原点,始边为
的非负半轴,终边经过点
.
(1)求
与
的值:
(2)求
的值.
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f798a9af75a091a8be0b71f2038260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac02f345bcdadd676da7347d7f4c3a9.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155a98ed36f52e4bb266cdd915d805a1.png)
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9 . 已知某扇形的圆心角为
,半径为5,则该扇形的弧长为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60fcf3b1d1fc486014f0bb4e206914dc.png)
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10 . 已知
,对任意
都有
,
(1)求
的值:
(2)已知
,若对任意
都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6489c6a12fb4b9fdbbcb88ee017c504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c6a23e86dbe6c2faf2ee52a20b2d3d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55d1d0d110b2425b56847b8aacd2fc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cb2f06e5a5472f5a571ede7029931a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c8a8e268189559aa3c87a43824cf95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b331bbdd68d110681fc4547748b93bb.png)
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