Given $f(x)=x^{2}+2 x-11$ Find All Values For $x$ For Which $f(x) \leq-3$
A)

Multiple Choice

Given $f(x) =x^{2}+2 x-11$ find all values for $x$ for which $f(x) \leq-3$ .

A) $\varnothing$
B) $(-4,2)$
C) $(-\infty,-4] \cup[2, \infty)$
D) $[-4,2]$