A periodic function f(x) is defined by -1, -2<x<-1 -1<x<1 f(x) = x, 1, 1<x<2 f(x+4) (i) Sketch the graph for f(x) within the range of -2<x<2. (ii) Determine the Fourier series expansion for f(x). (iii) By choosing an appropriate values for x, find the values of the series SOLUTION: T 0 M -1 C -2