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b) on the same set of axes, graph y=f^-1(x), y=-f^-1(-x)

so I did a chart, but i dont know if its right...I don't think its right

f(x)=squareroot x

__X Y__

0 0

1 1

4 2

9 3

y=f^-1(x)

__X Y__

0 0

1 -1

4 -2

9 -3

y=-f^-1(-x)

__X Y__

0 0

-1 1

-4 2

-9 3

and i don't understand the question

if the two graph of y=-f^-1(-x) is drawn from the graph of y=f(x) by a single reflection, what is the equation of the reflection line?

Thanks