Q. Use the transformation T:(x,y) -> (x + 2,y -1) and
S: (x,y) -> (2x,y).

1. Find T: (-1,4).
2. Find S:(3,5).
3. What is the preimage of (4,-1) under T?
4. Which is an isometry?

A. T
B. S
C. both T and S
D neither T nor S