Standard ML

i. give the value that ans is bound to after evaluation;

ii. indicate the data type of the function f after evaluation;

iii. please show some explanation how you get the answers.

(c) val f = fn x => List.map hd x val ans = f [[1,2,3], [4,5]] (c) val f = fn x => List.map hd x val ans = f [[1,2,3], [4,5]]