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If I am given a graph of F'(x). How can I use this to find the critical values of F(x)? What is the rest energy of 1 kg of uranium? My car is 12 model years old and has 64,000 miles on it. When it has 250,000 on it how old will it be? What is the density of water mixed with food coloring? How many feet are on 22 metros?