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Given f(x)=2x+1/3 find f^-1(x)? Isnt our purpose as human to reproduce and die forget exploring life and other bs isn't this the purpose as a human? Does 8 oz. of butter equal 1 cup? Find X so that the between points (6,-1) and (X,9) is 12.? The least common multiple of 2 numbers is 60. One of the numbers is 7 less than the other. What are the numbers?