Question

For the transformation T, what is T-1?

T : (x, y) (x + 4, y + 3)
T-1: (x, y)

Possible Answers:
1) (x - 4, y - 3)
2) (-4x, -3y)
3) (x + 3, y + 2)

Answer 1

T^(-1) is notation for an inverse; its asking you how you undo what "T" did to begin with.

Answer 2

The possible answers are
1) (x - 4, y - 3)
2) (-4x, -3y)
3) (x + 3, y + 2)