题目内容
已知满足:,则=;当时=,则=
A
已知函数满足:x≥4,则=;当x<4时=,则=( )
(A) (B) (C) (D)
已知函数满足:x≥4,则=;当x<4时=,则
.已知函数满足:x≥4,则=;当x<4时=,则= ▲
已知函数满足:x≥4,则=;当x<4时=,则=( )
A B C D
=
A. B. C. D.