Find the Inverse of the One-To-One Function $$y = 2 x + 7$$

Multiple Choice

Find the inverse of the one-to-one function. $$y = 2 x + 7$$

A) $y = \frac { x + 7 } { 2 }$
B) none of the above
C) $\quad y = \frac { 2 } { x - 7 }$
D) $y = \frac { x - 2 } { 7 }$
E) $y = \frac { x - 7 } { 2 }$