These questions are related to Intermediate Microeconomics. These are very important for my final exam in the future. If you provide step by step solution, I would be appreciated. I have attached the questions below. Thanks in advance.

Questions a ) ulxy ) = - x ty b ) Ulx, y ) = Inx ty ( ) 4 ( x ,y ) = x + 4 - mux = ? - mux = 2 - mux = 2 - muy= ? muy = 2 - muy = 2 - MRS = ? - mes = b - MRS = 3 - Diminishing MRS holds or fail? - Diminishing MRS holds or fails ? - Diminishing mrs holds or fails ? U( x ,y ) = x yz 2 ) ulx,y ) = x 2 mux = 2 - mux = 3 - muy = 3 - muy = 8 -MRS = 6 -mes = 3 - Diminishing mrs holds or fail ? - Diminishing MRS holds or fails ( ) Q - 128 P find and Qoob - b Burden on sellers and Burden on buyers= 6 QS = P2 Government imposes Do6 tax on sellers