You are required to complete this assignment task by task during the class section. Each task will be conducted on a different day and you have to submit the solution for each task through OpenLearning on the same day. You are only required to answer 2 sub-questions from the questions listed in each task. Task 3 (30 marks) 1. A periodic function is defined by: f(x) = x +, f(x) = f(x+2) (a) Sketch the graph of f(x) for three periods on the cartesian plane. Label the important points on the x and y axes. (b) Find the Fourier series of f(x) on the interval - x