we are given
point (6,1) on the graph of y=f(x)
we have to find point corresponding to f(3x)
Whenever we get f(ax) , we always divide x-value by 'a' unit to get point
and we will keep y-value same
x-value is 6
so, new x-value will be 6/3=2
so, our point for f(3x) will be (2,1)........Answer