6. The function f(x) = e3-x (1+e-x)2 is an example of a logistic distribution. 1. Verify that f is a probability density function. 2. Find P(3 x 4). 3. Use a computer to graph f, and then approximate the mean and median by looking at the graph. Use a computer to compute both values. 8. A linked list is a linear data structure, in which the elements are not stored at contiguous memory locations. The elements in a linked list are linked using pointer as shown in the below image: Assume A = 90, B = 77, C = 55, D = 86, etc Head A Data Next B D C D D a. Write a recursive function to print all elements of linked list above. NULL b. Write a recursive function to print the largest element in the Linked List above