题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201957-24513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201957-30481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201957-90341.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201958-76901.png)
A.偶函数 | B.奇函数 |
C.既是奇函数又是偶函数 | D.非奇非偶函数 |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201958-14002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201958-35124.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201958-24156.png)
函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201959-66993.png)
点评:判断函数奇偶性首先看定义域是否对称,其次若满足
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201959-44302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201959-76200.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201947-89608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201948-41045.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201948-10978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201948-33155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201949-59445.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201949-19989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201949-53263.png)
A.2 | B.3 | C.4 | D.0 |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201932-39373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201932-75446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201933-90798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201933-19111.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201921-37711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201921-87263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201921-46410.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201921-87263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201922-25822.png)
( 1 )求
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201922-25822.png)
( 2 )问从今年算起第几年利润最高?最高利润为多少万元?
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201908-81315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201908-80318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201908-24097.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201908-20079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201909-19426.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201909-22536.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201832-60071.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201832-12818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201833-36373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201833-95128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201833-27674.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201833-90954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204201833-13621.png)
最新试题
- 1《说文解字》中提到“史,记事者也,从又持中,中,正也”。由此可见,撰史者应该[ ]A.客观记载历史事实B.公正评
- 2下列有关催化剂的说法,正确的是( )A.二氧化锰是催化剂B.催化剂在反应前后质量不变C.催化剂都能加快反应速率D.催化
- 3The cake ______delicious.A.smellB.is smelledC.is smellingD.s
- 4下图漫画警示政府机关及其工作人员要[ ]①做到严格执法,严格按照法律规定行使执法权②依法行政③严格依法行使权力,
- 5下列除杂所选试剂合理的是选项物质杂质试剂AO2H2O浓硫酸BCaOCaCO3H2OCNaClNa2CO3盐酸DCuCuO
- 6如图,,,M、N分别是BC、AB的中点,沿直线MN将折起,使二面角的大小为,则与平面ABC所成角的正切值为( )A.
- 7意外事故,使脊椎胸部折断,出现大小便失禁现象,这是由于( )。A.泌尿系统受到破坏B.脊髓的排尿、排便中枢受到破坏C.
- 8看图写话:根据所给的图和提示词,按要求写一句意思完整,语法正确的句子。(10分) 111
- 9如图,BD是△ABC的角平分线,DE//BC,DE交AB于E, 且AB= BC,则下列结论中错误的是[ ]A.B
- 10f(x)是定义域为R的偶函数,其图象关于直线x=2对称,当x∈(-2,2)时,f(x)=-x2+1,则x∈(-4,-2)
热门考点
- 1 用同一热源加热某种物质,使其从固态变成液态,直至沸腾.整个过程物质的温度与时间关系图像如图所示,下列判断正确的是(
- 2在一张边长为4cm的正方形纸上做扎针随机试验,纸上有一个半径为1cm的圆形阴影区域,则针头扎在阴影区域内的概率为[
- 3如图,平行四边形ABCD中,AE⊥BC于E,AF⊥CD于F,∠ABC=75°,则∠EAF= ( )度.
- 4已知(1-2x)8=a0+a1x+a2x2+…a8x8,则a1+2a2+3a3+…8a8=( )A.-8B.8C.-1
- 5如图,已知BE,CF分别为△ABC的两条高,BE和CF相交于点H,若∠BAC=50°,则∠BHC为 [ ]A.1
- 6某同学为了验证海带中含有碘,拟进行如下实验,请回答相关问题(1)第1步:灼烧。操作是将足量海带放到_______灼烧成灰
- 7化学实验小组在实验室制备氢气时,发现没有锌粒或铁屑,仅有一些碎铝片.根据有关资料提示,他们将铝片放入烧碱溶液中,除去表面
- 8假定今年社会待售商品价格总额由去年的1500亿上升为5000亿元,货币流通速度由去年的一年5次上升为今年的8次,那么今年
- 9我国法律规定:公民的合法财产受法律保护。下列属于合法财产的有 [ ]①民工李某把在施工时发现的明朝瓷器作为收藏品
- 10It was not until midnight_______they reached the small villa