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2. The Power Law degree distribution is an important finding in Network Science. Specifically, the Power Law says that in a real network, the distribution of nodes' degrees roughly satisfies that y = cx-a where c and a are two parameters that may vary over different networks, x indicates a given degree and y denotes the percentage of nodes whose degrees are x. (1) Show that if y = cx-a, log y has a linear relationship with log x. (Hint: the linear relationship is log y = c log x + c2 , please find please find C and c2. You need to figure out how to use c and a to represent ci and c2). (15 points)