2 pointss q8. a periodic function f(x) satisfying the condition f(x+1)= f(x) is graphed in the figure shovwn. tsx) -1/2 1/2 if the fourier series of this fiunct

2 pointsS Q8. A periodic function f(x) satisfying the condition f(x+1)= f(x) is graphed in the figure shovwn. tSx) -1/2 1/2 If the Fourier series of this fiunction is written as S)-4 a, sin then the value of 9xa, is