f(2x)=log3为底(x+1),则f(4)
问题描述:
f(2x)=log3为底(x+1),则f(4)
答
令2x=4
x=2
则f(4)=log(2+1)=1
f(2x)=log3为底(x+1),则f(4)
令2x=4
x=2
则f(4)=log(2+1)=1