Use Interval Notation to Represent All Values of X Satisfying $y _ { 1 } = \frac { x } { 3 } , y _ { 2 } = 3 + \frac { x } { 12 }$

Multiple Choice

Use interval notation to represent all values of x satisfying the given conditions.
- $y _ { 1 } = \frac { x } { 3 } , y _ { 2 } = 3 + \frac { x } { 12 }$ , and $y _ { 1 } \geq y _ { 2 }$

A) $[ - 12 , \infty )$
B) $( 12 , \infty )$
C) $( - \infty , 12 ]$
D) $[ 12 , \infty )$