Among the 45 men who have served as president of the US, 31 had military service. Yet, former presidents, like Barack Obama and President Trump did not serve in the military._____
【简答题】Givenm, n∈Z, define f(x)=log 2 (4-|x|) in the interval [m,n]. The value range of f(x) is [0,2]. If there exists only one zero point on g(x)=2|x-1|+m+1,then m+n=( )。 (A)-1. (B)0. (C)1. (D)2. (英汉小词典:int...