I write the Fourier series for the function on the interval and determine the sum of the series. If software is available, graph some partial sums of the Fourier series. 1. f(x)=4,-3x3 2 f(x)=-1.-1rgl 3. f(x)=cosh(x),-1x1 4. f(x)=1-xl.-2x2 -4 for-x0, 5. f(x)= for 0