1. For each of the following utility functions, derive the income offer curve, Engel curves, and demand curves 1 l (a) u($l:$2) = $31325 (13) ( ) (0) Man, 332) : 4ln(:171) + 2:172 (d) ( ) Q 931, 292 = mm{x1, 3332} Q .7117 362 I 3331 + 362