Question

A transformation T : (x, y) (x + 3, y + 1).
The preimage of the point (4, 3) is

(7, 4)
(1, 2)
(-1, -2)

Answer 1

what does the transformation rule tell us?

Answer 2

i dont know really..

Answer 3

it means that for some input point: (x,y) , the output is (x+3,y+1)

they give you the output and ask you to find the input that was used by this rule

Answer 4

*** edit

since x+3 = 4
and y+1 = 3

what are x and y?