For the list [4, 3, 5], return the head.
[4] The first element in the list is the head.
For the list [4, 3, 5] return the tail.
[3,5] Everything apart from the first element in the list is the tail.
State and explain is the result of null [].
True, this means the list is empty.
State and explain is the result of null [4, 3, 5].
False.
n = [1, 2, 3] /n n = n ++ [4, 5], what is the result of length[n].
Lists are immutable, the second line would return an error, while length[n] would be 3.
What is the result of Map (+1) {8, 11, 21}.
{9, 12, 22}.
What is the result of Filter (>4) {8, 2, 3, 7}.
{8, 7}.
What is the result of Foldl (+) {8,2,3,7}.
(((8+2)+3)+7) = 10+3+7 = 13+7 = 20.