Answer:
(1, -1)
Step-by-step explanation:
You have the point ...
(3, f(3)) = (3, -1)
The corresponding point on the horizontally compressed graph will be ...
(3x, f(3x)) = (3, -1)
(x, f(3x)) = (1, -1) . . . . . the first coordinate of the given point is divided by 3