Answer:
F(-1,2), G(2,4), H(3,7)
Explanation:
When you move left to right, it changes the x in (x,y)
When you move up and down, it changes the y in (x,y)
So, if it moves 1 unit to the left, the x decreases by 1
And if it goes 4 units up, the y increases by 4