写出下列函数中自变量x的取值范围:(1)y=2x-3(2)y=31?x(3)y=4?x(4)y=x?1x?2

2025-03-01 10:36:08
推荐回答(1个)
回答1:

(1)全体实数;
(2)x≠1;
(3)x≤4;
(4)x≥1且x≠2.