Please answer all 4 questions

1 ) for the function f( x ) = 5 x 5, find f ( x ) 2 ) find the inverse of the function f (x) = 12 x5 on the domain x 70 7 3 ) for the function flix ) = 8 \\ x - 3 , find f- ( x ) " ) for the function f (x ) = 5/x +8_y find (x ) 5