Solve Provide Answers in Interval Notation $x^{2}+11 x+28 \geq 0$ A) $(-\infty,-7]$

Multiple Choice

Solve. Provide answers in interval notation.
- $x^{2}+11 x+28 \geq 0$

A) $(-\infty,-7]$
B) $[-4, \infty)$
C) $(-\infty,-7] \cup[-4, \infty)$
D) $[-7,-4]$