The following function is one to one. Rest below

Question

Find the inverse of the function and express it using f^-1(x) 

 

f(x)= x/9 + 4/9    (fractions)

Answer 1

y=f(x)=x/9+4/9

y=x/9+4/9

x=y/9+4/9

Solve the above eqt for y , this will be the inverse of f(x)