Completely factor the following polynomial. Justify each step in words
f(x) = x4 – 2x3 + 8x – 16

Answer(18);

Find  the  area  of the  region bounded  by the  curves y equals  the  inverse sine  of  x divided  by 4,  y  =  0, andx  = 4  obtained  by  integrating  with  respect  to  y.  your work must include  the  definite integral  and theantiderivative.