a=1;f(x)=[x-a]+[x-4]=|x-1|+|x-4|
x>=4 f(x)=2x-5;单调增函数,有最小值为3（当x=4时候）；
1
设函数f(x)=[x-a]+[x-4]当a=1求f(x)的最小值
设函数f(x)=[x-a]+[x-4]当a=1求f(x)的最小值
数学人气：325 ℃时间：2019-09-29 04:22:20
优质解答
我来回答
类似推荐
猜你喜欢
- 1如图三角形abc是等腰直角三角形,直角顶点 c在x轴上,一锐角顶点b在y轴上.2.如图2若y轴恰
- 2yesterday,while she was having a history lesson,she ()hear the news,这里hear用什么形态
- 3What you did and where you are comin from.I dont care,as long as you love me,baby
- 4棱长是多少的正方体木块,体积是1立方米.体积是1立方厘米的正方体木块,它的底面积是多少 它的表面积是?
- 5我们要做40面两条直角边都是2分米的直角三角形红旗,最少需要买多少平方米的红布呢
- 6如图,已知三角形ABC中,角ABC的平分线与角ACB的外角平分线相交于D,角D=40°,求角A的度数
- 7Peter often has bread for his breakfast.改为否定句
- 8David是我们足球队的.David is () our school football team.
- 9the boy was made to stand outside by his teacher翻译
- 10写同义句：The office is near to our school. The post office is not_ _our school