已知函数
.
(1)若直线
是曲线
的一条切线,求a的值;
(2)求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57ec7d02c0dc8652022779c792c6f5a.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4a61efece257a8381a0c599e32083f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2022-11-10 11:11:13
|
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解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知函数
的图象在点
处的切线斜率为-10,该切线在
轴上的截距为
.
(1)求
,
的值;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b31bbc323111980cd91e24ebb9b8534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453cf054bed03a3f68878c0c516702d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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适中
(0.65)
【推荐2】设函数y=x3+ax2+bx+c的图像如图所示,且与y=0在原点相切,若函数的极小值为-4.
![](https://img.xkw.com/dksih/QBM/2022/3/30/2947359238627328/2951782529335296/STEM/024818cc348342c58eb9cb4bc38ee6da.png?resizew=149)
(1)求a,b,c的值.
(2)求函数的递减区间.
![](https://img.xkw.com/dksih/QBM/2022/3/30/2947359238627328/2951782529335296/STEM/024818cc348342c58eb9cb4bc38ee6da.png?resizew=149)
(1)求a,b,c的值.
(2)求函数的递减区间.
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解答题-问答题
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适中
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【推荐3】已知函数
在点
处的切线斜率为4,且在
处取得极值.
(1)求函数
的单调区间;
(2)若函数
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的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b269dce1ae3396d2afc82a91dc6f97ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
(1)求函数
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(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce912cf5cf2768ce474d0af7cc81fe9f.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
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适中
(0.65)
【推荐1】已知函数
,
,
.
(Ⅰ)当
时,求函数
在
上的单调区间;
(Ⅱ)若函数
对任意的
恒成立,求正整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019c0dc282040dc530d6be25f9bbcb76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8296153689820c5dfe5f70909dd17cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3cee5e50ee4f1dfbcf0ff0312fef1b.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5883fc360b78e677df4514c3411c00f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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|
适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)讨论
在
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(2)若
(
且
),求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a6c9fb833222c90628ea81e64ddbeb.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6c300dc8ac5aec9aeb2f71c774ef62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b5a031a2ffb588fdf990fb8897888d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5655f92828934e8f86bbbbb5c5be47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7d63e887a06eabe5716a5cec4a6e71.png)
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