题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-86527.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-37870.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-63172.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-83494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230418-40670.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230418-19308.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230418-73278.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230418-86721.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230419-58421.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230419-10521.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230419-73101.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230420-30268.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230420-96793.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230418-73278.gif)
①若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230420-56513.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230420-25649.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-63172.gif)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230420-62227.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230421-58805.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230421-38859.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230421-74166.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230421-29106.gif)
若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230421-38859.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230421-14775.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230422-71967.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-83494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230422-34760.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230422-80537.gif)
从而最大值在两端点取得,只需
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230423-81124.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230423-23209.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230423-16296.gif)
若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230423-22187.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230423-78180.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-83494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230422-34760.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-63172.gif)
③若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230424-13348.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230421-58805.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230424-50625.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230424-64707.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-83494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230424-41218.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230417-63172.gif)
综上:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230418-19308.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230418-73278.gif)
核心考点
举一反三
①把函数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230356-85637.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230357-69064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230357-39675.png)
②一平面内两条曲线的方程分别是
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230357-75689.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230357-10283.png)
则方程
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230358-83525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230358-42966.png)
③
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230358-10190.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230358-96742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230358-35525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230359-66896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230359-25618.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230358-10190.png)
点,取得的点到
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230359-66896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230359-97772.png)
④若等差数列
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230359-84996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230400-41222.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230400-49658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230400-29772.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230349-43558.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230338-92824.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230338-87198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230338-52980.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230312-58034.gif)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230312-29923.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230313-99661.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230313-42406.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230312-29923.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230313-39655.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230313-94237.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230314-45828.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230314-69253.gif)
已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230302-23580.gif)
(1):当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230302-35263.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230302-24649.gif)
(2):试讨论函数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017230303-54490.gif)
最新试题
- 1某人由远处走向一块竖直悬挂着的平面镜,他在镜内所成像的大小将 [ ]A. 大小不变 B. 逐渐变小 C. 逐渐
- 2如图,在直角坐标系中,射线OA与x轴正半轴重合,以O为旋转中心,将OA逆时针旋转:OA⇒OA1⇒OA2…⇒OAn…,旋转
- 3下列对李白《梦游天姥吟留别》所绘形象分析不恰当的一项是( ▲ )(3分)A.诗歌大部分描绘了梦幻中自己游天姥山的情景。B
- 4—Do you often see William _____ on the playground? —No,
- 5下列成语中没有错别字的一项是[ ]A、才华横溢 栋梁之材 欺世盗名 寿终正侵B、嘘寒问暖 展露头
- 6若函数f(x)既是幂函数又是反比例函数,则这个函数是f(x)=______
- 7为确保祖国母亲六十华诞期间用电安全,电力工人开车沿着一条南北方向的公路来回行驶。某一天早晨从A地出发,晚上到达B地。约定
- 8溶液一定是( )①无色 ②均一 ③稳定 ④纯净物 ⑤混合物.A.①②③④B.①②③⑤C.②③④D.②
- 9当前,在国民收入分配中,劳动报酬所占比重偏低,这将影响社会公平,制约我国经济持续稳定增长。这是因为( )①收入分配
- 10一段长为32米的篱笆围成一个一边靠墙的矩形菜园,墙长18米,问这个矩形的长、宽各为多少时,菜园的面积最大,最大面积是多少
热门考点
- 1背诵、默写。(1)斯是陋室,____。苔痕上阶绿,草色人帘青。____,往来无白丁。可以调素琴,阅金经。____,___
- 2单项选择。We don"t know ______ he goes out. [ ]A.what B.where
- 3大陆漂移假说是[ ]A、麦哲伦提出的 B、达尔文提出的 C、魏格纳提出的 D、哥伦布提出的
- 4如图,点,在上, ,,,与交于点,求证:
- 5质量为20Kg的物体在动摩擦因数为0.1的水平面上向左运动,在运动过程中受到水平向左,大小为10N的拉力作用,则物体受到
- 6质量为2×103 kg,发动机额定功率为80 kW的汽车在平直公路上行驶;若汽车所受阻力大小恒为4×103 N,则下列判
- 7【题文】依次填入下列横线处的词语,最恰当的一组是( )“谁筑孤亭望瑶鹤,至今不见一归来
- 8一只不透明的布袋中有三种小球(除颜色以外没有任何区别),分别是2个红球,3个白球和5个黑球,每次只摸出一只小球,观察后均
- 92008年奥运会日益临近,某厂经授权生产的奥运纪念品深受人们欢迎,今年1月份以来,该产品原有库存量为m(m>0)的情况下
- 10已建立化学平衡的某可逆反应X(g)+2Y(g)2Z(g),当条件改变使化学平衡向正反应方向移动时,下列叙述正确的是①生成