高一数学函数题求解!!

f(x)是定义在[-1,1]上的增函数,且f(x-1)小于f(1-3x),求x范围
2025-02-23 05:16:21
推荐回答(2个)
回答1:

-1<=x-1<=1
-1<=1-3x<=1
f(x-1)则x-1<1-3x
解得0<=x<1/2

回答2:

0<=x<1/2