please solve question1.56 1.56 What restrictions must the 1 , f ( y ) , w ( p 1 , p 2 ) , and z ( p 1 , p 2 ) satisfy if each of the following is to be a legitimate indirect utility function? (a) v ( p 1 , p 2 , p 3 , y ) = f ( y ) p 1 1 p 2 2 p 3 3 (b) v ( p 1 , p 2 , y ) = w ( p 1 , p 2 ) + z ( p 1 , p 2 ) / y .

1. please solve question1.56
1.56 What restrictions must the 1 , f ( y ) , w ( p 1 , p 2 ) , and z ( p 1 , p 2 ) satisfy if each of the
following is to be a legitimate indirect utility function? (a) v ( p 1 , p 2 , p 3 , y ) = f ( y ) p 1 1 p
2 2 p 3 3 (b) v ( p 1 , p 2 , y ) = w ( p 1 , p 2 ) + z ( p 1 , p 2 ) / y