1)Find
Marginal Utility for x and determine if it is diminishing
Marginal utility for y and determine if its diminishing
Marginal rate of Substitution of x for y (MRSxy) and
determine if its diminishing
U (x, y) = 2x2/3y1/3
U (x, y) = x3 + 4y1/4
2. Continental Long Distance Telephone service offer am optional
package for in-stare calling whereby each month the subscriber gets
the first 50 minutes of in-state calls free, the next 100 min at
$0.25/min, and...