28. If $f ( x ) = 3 x - 5$, then $f - 1 ( x )$ (A) is given by $1 / ( 3 x - 5 )$. (B) is given by $( x + 5 ) / 3 \quad$. (C) does not exist because $f$ is not one-one (D) does not exist because $f$ is not onto.
28. If $f ( x ) = 3 x - 5$, then $f - 1 ( x )$\\
(A) is given by $1 / ( 3 x - 5 )$.\\
(B) is given by $( x + 5 ) / 3 \quad$.\\
(C) does not exist because $f$ is not one-one\\
(D) does not exist because $f$ is not onto.\\