若函数f(x)=x^2-2(a-1)x+2在(-无穷大,4】上是减函数,则实数a的取值范围
函数f(x)=-（x-2）/（x-1）图象的对称中心是什么?
人气：327 ℃ 时间：2019-10-29 06:20:49
解答
a大于等于五,x= 二分之三a大于等于五怎么做的x=a-1即是函数对称轴,当对称轴所在的X坐标大于四时就是在(-无穷大,4)递减,即a-1>=4
推荐
猜你喜欢
- happiness is for everyone.求译!
- 写小数时,整数部分仍按( )的写法,整数部分是0的要写( ).
- 《人民解放军百万大军横渡长江》一文是按什么顺序报道三路军的渡江作战的?为什么这样安排顺序?
- 屏风,纳凉,帷幕,缓冲,造型,伧俗、雅俗之别造句
- To turn your dream into reality,you should first ______the hard life here which you has not got used to so far
- 足球循环赛中,红队胜黄队,比分为4:1,黄队胜蓝队,比分为1:0,蓝队胜红队,比分为1:0,算各队的净胜球数.
- 2.2*(-2.1)+1.21*4.2-2.1*0.22简算!
- it took him three hours to clean his bedroom的同义句
