Ashipping company charges $6 to ship a package that weighs up to 1 pound and $2 for each additional pound or portion of a pound. which equation represents this situation? of(x) = 8+2[x-1, where x > 0 of(x) = 6+2lx-1), where x > 0 o (x) = 6+2[x+1), where x > 0 of(x) = 6+2x+1), where x > 0