which table shows that y=-f(x) results in a reflection over the x-axis?

Question

f(x)=sqrt x-2
(2,0), (3,1),(6,2)

x -f(x)
2 0
3 -1
6 -2

x -f(x)
2 0
3 1
6 2

x -f(x)
-2 0
-3 -1
-6 -2

x -f(x)
-2 0
-3 1
-6 2

Answer 1

The third table shows that y=-f(x) results in a reflection over the x-axis.