Answer all of the following questions 1. Given sy = {3,6,9), 52 = {a,b), and sx = {m,n}, find the Cartesian products: (a) S1 X 82. (b) 8 X 8 X 83 2. Find the domain and range of the function and write it as a set: x = -y2 3. What is the domain and range of the consumption function C = 12 +0.3Y? Write them as a set. What is the economic interpretation of 0.3 here