The Utility Function for a Consumer Is U = XY/(X

question 36

Essay

The utility function for a consumer is U = XY/(X + Y), where the MU_X = Y²/(X + Y)² and MU_Y = X²/(X + Y)².
a. What is the slope of the indifference curve when X = 3.75 and Y = 3.75?
b. What is the marginal rate of substitution when X = 4 and Y = 16?

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