Question

I. U=(x y)=x^(1/3)y^(2/3) that subjected to budget constant 6x+3y=720 then find
1. MUx,
2. MUy,
3. MRSx,y
4.write equilibrium optimum condition.
II. Assume u function of a consumers is u=x^(2) + y^(2) then, Required.
1. MRSy,x
III. a consumers u function give as u=x^(4). y^(-2)
1. MUx,
2. MUy,
3. MRSx,y