Solve the Compound Inequality $- 12 \leq \frac { 25 - 7 x } { 2 } \leq 12$

Multiple Choice

Solve the compound inequality. Graph the solution set (if one exists) and write it using interval notation. $- 12 \leq \frac { 25 - 7 x } { 2 } \leq 12$

A) $[ 7 , \infty )$

B) $\left[ \frac { 1 } { 7 } , \infty \right)$

C) $\left( - \infty , \frac { 1 } { 7 } \right]$

D) $\left[ \frac { 1 } { 7 } , 7 \right]$

E) $\varnothing$