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a triangle has vertices at s(1, 1), t(2, −3), and u(4, 0). the triangle is translated up 3 units. what are the coordinates of the vertices of the image?

a. s'(4, 1), t'(5, −3), and u'(7, 0)
b. s'(1, 4), t'(2, 0), and u'(4, 3)

c. s'(1, 4), t'(2, −3), and u'(4, 0)
d. s'(1, −2), t'(2, −6), and u'(4, −3)