(a) Plot the data as impact energy versus temperature Following is tabulated data that were gathered on Temperature (C) Impact Energy U) 100 75 50 25 alloy. 893 S8.6 87.6 854 82.9 789 with Excel. (b) Determine a ductile-to-brittle transition temperature as that temperature corresponding to the average of the maximum and minimum impact energies. -50 73.1 66,0 59.3 47.9 -75 -85 - 100 -125 -150 343 29.3 (c) Determine a ductile-to-brittle transition temperature as that temperature at which the impact energy is 70 J. 27.1 25.1 -175