Respuesta :

Here,

f(x) = 6x

Now,

let, y = f(x)

y = 6x

Interchanging x and y,

x = 6y

y = x/6

f-(x) = x/6

I hope you understand...

I hope it's help you...

Thanks

Answer:

6/x

Step-by-step explanation:

Let f(x) = z

f(x) = 6x

z = 6x

6z = x

6/x = z