Question

Please help me out.
Which pair of functions is not a pair of inverse functions?

Answer 1

f(x)=x+1/6 and g(x)=6x−1

f(x)=x−4/19 and g(x)=19x+4

\[f(x)=x^5 and g(x)=\sqrt[5]{x}\]

f(x)=x/x+20 and g(x)=20xx−1

Answer 2

the last one is g(x)=20x/x-1

Answer 3

@thomas5267

Answer 4

@nincompoop