The graph of functions f(x)=4e^0, f(x)=4[1+0.1/0.5)^0.5x, and f(x)= 4[1+0.1/2]^2x are shown below. If the graph of f(x)= 4e^0 1x is blue, the the graph of f(x)= 4[1+ 0.1/2] ^2x is ____.