## Calculus with Applications (10th Edition)

The interval notation of the given expression is: $[6, \infty)$
The inequality includes all numbers that are greater than or equal to $6$. Thus, the interval notation of the given expression is: $[6, \infty)$. To graph the inequality, plot a solid at $x=6$, then shade the region to its right. (refer to the attached image in the answer part above)