Question

If f(x) and f–1(x) are inverse functions of each other and mc005-1.jpg, what is f–1(8)?
A) -1
B) 3/2
C) 41/8
D)23

Answer 1

We can't see your image, but here's a hint. If \(f\) and \(f^{-1}\) are indeed inverses of each other, then \(y=f(x)\) means \(f^{-1}(y)=x\).