ceifeii3ei3iri3ie3ie ceifeii3ei3iri3ie3ie 13-01-2021 Mathematics contestada if f(x)=3x -1 and g(x)=x+2, find (f+g) +( x) A.2x-1 B . 2x-3 C . 3x - 3 D . 4x - 1