M(2, 1), n(5, 3), and o(-2, 4) are the coordinates of a triangle's vertices. if the triangle is translated left 7 units, what are the coordinates of the image?
a. m ’(2, 8), n ’(5, 10), o ’(-2, 11)
b. m ’(9, 1), n ’(12, 3), o ’(5, 4)
c. m ’(-5, 1), n ’(-2, 3), o ’(-9, 4)
d. m ’(2, -6), n ’(5, -4), o ’(-2, -3)
i will give away extra points