Please show the clear mathematical steps for (a) and (b)

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Question 5 A consumer has utility function U[x,y] - 1y - x2 + 4x. a) Derive the oompensated demand functions for x and )2 assuming interior solutions. (Hint: solve for the compensated demand function of 1: first} b} Verify that the expenditure function is increasing in the price of y at interior solutions