How is g(x) = 1 2x − 4 obtained from the parent graph ƒ(x) = 1 x ? A) Vertically stretched by a factor of 2 and shifted right 2 units. B) Horizontally stretched by a factor of 2 and shifted right 4 units. C) Vertically compressed by a factor of 1 2 and shifted left 2 units. D) Vertically compressed by a factor of 1 2 and shifted right 2 units