Solve the Compound Inequality and Graph the Solution Set on a Number

Multiple Choice

Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.
- $8\leq 2 x + 4 \leq 18$

A) $\text { }(-\infty, 2) \cup(7, \infty)$

B) $\text { }[2,7]$

C) $( 2,7 )$

D) $( - \infty , 2 ] \cup [ 7 , \infty )$