已知函数f(x)满足:当x≥4时,f(x)=1/2的X次方,当X
问题描述:
已知函数f(x)满足:当x≥4时,f(x)=1/2的X次方,当X
答
A
2+log2(3)所以f(2+log2(3))=f(3+log2(3))=0.5^(3+log2(3))=(0.5^3)*(0.5^log2(3))=(1/8)*(1/3)=1/24