Which sequence of rigid transformations will map the preimage abc onto image a'b'c' ?

(right answer only)

a. a reflection across the x-axis, a translation 8 units right, and then a reflection across the x-axis.

b. a translation 4 units down and 10 units to the right.

c. a reflection across the line y = x followed by a rotation 90 degrees counterclockwise.

d. a rotation 180 degrees clockwise followed by a reflection across the x-axis.