Question

What is the inverse function of f(x) = z/z-2​

Answer 1

Explanation:

The function declaration

f

(

x

)

f

(

x

)

varies according to

x

x

, but the input function

z

2

z

2

only contains the variable

z

z

. Assume

f

(

z

)

=

z

2

f

(

z

)

=

z

2

.

f

(

z

)

=

z

2

f

(

z

)

=

z

2

Answer 2

f^-1(z) = 2z/z-1