Question

What translation rule can be used to describe the result of the composition of (x, y) (x – 9, y – 2) and (x, y) (x + 1, y – 2)

Answer 1

are you saying,
(x,y) ---> (x-9,y-2) is followed by (x,y)-->(x+1,y-2) ?

then (x,y) ---> (x-8, y-4)

Answer 2

Reiny is correct.