Question

If f(7)=22, then f^-1(f(7))=? Please help!!

Answer 1

Answer:

  7

Step-by-step explanation:

In general, the point of an inverse function is to show you the value that gives a particular function value. That is, ...

  $f^{-1}(22)=7\\\\f^{-1}(f(x))=x\\\\f^{-1}(f(7))=7$