ANSWER
The correct answer is option A.
EXPLANATION
Given that
is a function of
,
then we can write the point,
as
is just the y-value of point that has an x-coordinate of
From the grid, each of the boxes is 1 unit.
This means that, when we count 2 units to the right, we will get
If we move down one unit, we get the point with coordinates
This means that
see attachment.