y=log4x图像,

已知函数f(x=2x x,g(x=log2x x,h(x=log4x x的零点依次为a,b,c
1,x 2∴log 4x 1 4 x,且log 1 4x 1 4 x 故函数y=log
若实数x,y满足关系式log4(x 2y log4(x-2y=1,则|x-y的最小值为?
作出下列函数的图象1ylog4x12yx1
②lox-logg