选择题:已知函数 f(x) =lg(|x﹣ m|+|x﹣ 2|﹣ 3)(m∈R).(1) 当 m=1, 求函数 f(x) 的定义域;(2) 若不等式 f(x) ≥0 对

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题目内容:

已知函数 f(x) =lg(|x﹣ m|+|x﹣ 2|﹣ 3)(m∈R).

(1) 当 m=1, 求函数 f(x) 的定义域;

(2) 若不等式 f(x) ≥0 对于 R 恒成立, 求实数 m 的取值范围.

A.有最大项,有最小项

A.有最大项,有最小项

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