You are using high school math incorrectly which is what results in the many obvious contractions I have listed above. In the unlikely event you are actually i

You are using high school math incorrectly which is what results in the many obvious contractions I have listed above. In the unlikely event you are actually interested in the correct formulation, you start to find the answer here [1]. [1] https://en.wikipedia.org/wiki/Marginal_utility#Quantified_marginal_utility https://en.wikipedia.org/wiki/Marginal_utility#Quantified_ma...