# Question: sketch the functionfx4x 4ltxlt0 4x 0ltxlt4that is defined for 1...

###### Question details

Sketch the function$f\left(x\right)=\left\{\begin{array}{l}4+x-4x0\\ 4-x0x4\end{array}\right)$that is defined for 1 period. Determine the fourier series for f(x).