Plato:
can somebody me;
for which function is f(x) equal to f-1(x)?

C.) x = (y+1)/(y-1)

xy-x = y + 1

xy - y) = x + 1

y(x-1) = x+1

y = (x+1)/(x-1) ⇐ this is f-1(x) and it's identical to f(x).

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

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