Find All Real Values of X Such That F (X) $f ( x ) = \frac { 7 x - 4 } { 5 }$

Multiple Choice

Find all real values of x such that f (x) = 0. $f ( x ) = \frac { 7 x - 4 } { 5 }$

A) $\frac { 4 } { 35 }$
B) $\pm \frac { 4 } { 35 }$
C) $\pm \frac { 4 } { 7 }$
D) $\frac { 4 } { 7 }$
E) $- \frac { 4 } { 7 }$