Even and Odd functions are different in the graphs because an even function on the graph is symmetrical on both sides of the y-axis and odd function on the graph are the same throughout the whole graph. The way you find that the graph is even or odd is you plug it into the calculator and if it is symmetrical then it is even. how to find an odd function is you plug the function into the calculator and if it is symmetric over the x-axis then it is odd.