Question

Select all the correct answers
Which functions are the same as their inverse functions?

Answer 1

Answer: the first one

Answer 2

f(x)

Explanation:

f(x)=x-1/x+5

y=x-1/x+5

xy+5y=x-1

xy-x=-1-5y

x(y-1)=1-5y

x=-1-5y/y-1

x=-5