Programming Languages

2. 3. 4. 5. Homework 2 Write a function Cuber Of type real real that returns the cube Of its parameter. Write a function fourth of type a list a that returns the fourth element Of a list. Your function need not behave well on lists with less than four elements. Write a function mi n 3 Of type int * int * int int that returns the smallest of three integers. Write a function cyclel of type a list a list whose output list is the same as the input list, but with the first element Of the list moved to the end. For example, cyclel shouldreturn Write a function sgsum Of type int int that takes a non-negative integer n and returns the sum of the squares of all the integers O through n. Your function need not behave well on inputs less than zero.