suppose I have

y=e^x [where x=0.5 to 1.5];

and after interpolation I found x ,y values

graph2--values
.............
x y
0.1 0.5
0.2 0.6
0.3 0.8
---------------
graph3--values
............
x y
0.1 0.8
0.2 0.9
0.3 0.10


Now I want Excel to plot the graph1 and graph2
with the give function y=e^x (superimposed).

Please help me .