Could someone please explain what I need to do to solve this equation?

For the function y = f(x), what is the ordered pair for the point on the graph when x = b - 2?

(b - 2, f(b -2))

(x, f(b))

(x, b - 2)

(b - 2, f(b))

Question

Could someone please explain what I need to do to solve this equation? 

For the function y = f(x), what is the ordered pair for the point on the graph when x = b - 2?

(b - 2, f(b -2))

(x, f(b))

(x, b - 2)

(b - 2, f(b))

anonymous · Answer

the first coordinate is the input, which is $b-2$
the second coordinate is the output, which is $f(b-2)$

naga447 · Answer

Okay then it would be the first one correct?

anonymous · Answer

yes

naga447 · Answer

Can I ask how you got the coordinate's?

naga447 · Answer

And thanks for your help!!!