先打開絕對(duì)值
x<-1時(shí)
y=-x-1+3-2x=-3x+2
-1<=x<3/2時(shí)
y=x+1+3-2x=-x+4
x>=3/2時(shí)
y=x+1+2x-3=3x-2
畫出3段函數(shù)
如果您認(rèn)可我的回答,請(qǐng)點(diǎn)擊“采納為滿意答案”,謝謝!
先打開絕對(duì)值
x<-1時(shí)
y=-x-1+3-2x=-3x+2
-1<=x<3/2時(shí)
y=x+1+3-2x=-x+4
x>=3/2時(shí)
y=x+1+2x-3=3x-2
畫出3段函數(shù)
如果您認(rèn)可我的回答,請(qǐng)點(diǎn)擊“采納為滿意答案”,謝謝!