pfind fgx f gx fgx and fxx and their domainsnbspppfx2xsup2nbspsup 2x 2 gx xsup3supp

Find (f+g)(x), (f-g)(x), (fg)(x), and (f/x)(x), and their domains. 

f(x)=2x– 2x + 2, g(x)= x3