given f^-1 (9)=2 find f(2)

1 answer

To find f(2), we can use the fact that f(f^-1(x)) = x for any function f and its inverse f^-1.

Given that f^-1(9) = 2, we can substitute 9 for x in the equation f(f^-1(x)) = x:

f(f^-1(9)) = 9
f(2) = 9

Thus, f(2) = 9.