Assume that a vector, x, is given as: x = [1, 23, 43, 72, 87,56,98,33] a) [10pts] Use a for loop to sum the elements in x and print the result by using fprintf. b) [10pts] Use a while loop to sum the elements in x and print the result by using fprintf. c) [5pts] Check your answer with the sum function and print the result by using fprintf.