The coordinates of the vertices are (0,0) (5,4) and (7,0). The trapezoid is dilated with scale factor 2 and center (0,0). What are the coordinates of the vertices of the image of the trapezoid?
A.(0,0) (2,4) (5,4) (7,0)
b. (0,0) (6,12) )(15,12) (21,0)
c.(0,0) (4,8) (10,8) (14,0)