Find the Inverse of the One-To-One Function $y = 7 x$

Multiple Choice

Find the inverse of the one-to-one function. $y = 7 x$

A) $\quad y = 7 x ^ { 2 }$
B) $\quad y = 7 x$
C) $\quad y = \frac { 7 } { x }$
D) $\quad y = 49 x$
E) $y = \frac { x } { 7 }$