For the Compound Inequality, Decide Whether Intersection or Union Should $2 x+2 \leq-6$

Multiple Choice

For the compound inequality, decide whether intersection or union should be used. Then give the solution set in both interval and graph forms.
- $2 x+2 \leq-6$ or $2 x \geq-4$

A) Union; $(-\infty,-4] \cup[-2, \infty)$

B) Intersection; $[-4,-2]$

C) Union; $(-\infty, \infty)$

D) Intersection; $\varnothing$