Please answer the questions as soon as possible . Thank you .

Question 1 Determine the average-case time complexity for insertion of an element in a singly-linked list. Not yet answered Marked out of 1.00 Select one: Flag question (log(n)) (1) (n) Question 5 The following pseudocode describes a function for array-based List. Not yet answered Marked out of 1.00 Flag question myfunction (index) if index is valid return item at specified index Determine myfunction: Question 3 In linked lists, there are no NULL links in Not yet answered Marked out of 1.00 Flag