Answer :
Let's look at what's happening to the x and y coordinates.
x1 is 1, and x2 is -1. The difference between them is 2. x is decreasing by 2. Therefore, the first part of our answer is x-2.
How, y1 is 3 and y2 is 4. This is increasing by 1.
So, our answer is (x-2,y+1)
x1 is 1, and x2 is -1. The difference between them is 2. x is decreasing by 2. Therefore, the first part of our answer is x-2.
How, y1 is 3 and y2 is 4. This is increasing by 1.
So, our answer is (x-2,y+1)