Question

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

Answer 1

put x=r-2

Answer 2

y=f(r-2)

Answer 3

these are the only choices

Answer 4

(r - 2, f(r -2))
(x, f(r))
(x, r - 2)
(r - 2, f(r))