Two images, f(x,y) and g(x,y) have unnormalized histograms hf and hg. Give the conditions on the intensity values of the pixels in f and g that will result in 8-bit images after the following operations: (a) f(x,y) + g(x,y) (b) f(x,y) g(x,y) (c) f(x,y) g(x,y) (d) f(x,y) / g(x,y)